Photo credits

All specimen photos come from Wikimedia Commons under free licenses. Each specimen has a library photo and up to three photos used only in the daily puzzle. Thank you to the photographers. More about Rocksday on the about page.

• Acanthite — Ivar Leidus (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Achondrite — Claire H. (CC BY-SA 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Actinolite — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Adamite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Aegirine — Ivar Leidus (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Agate — James St. John (CC BY 2.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Albite — Rock Currier (CC BY 3.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Alexandrite — Parent Géry (Public domain); puzzle: Parent Géry (Public domain); Parent Géry (Public domain); Parent Géry (Public domain)
• Almandine — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Amazonite — Unknown (CC BY-SA 2.0 br); puzzle: Parent Géry (Public domain); Parent Géry (Public domain); Parent Géry (Public domain)
• Amber — Anders L. Damgaard - www.amber-inclusions.dk - Baltic-amber-beetle (CC BY-SA 4.0); puzzle: uploaded with permission from User Lanzi by Ra'ike on de.wikipedia (CC BY-SA 3.0); uploaded with permission from User Lanzi by Ra'ike on de.wikipedia (CC BY-SA 3.0); uploaded with permission from User Lanzi by Ra'ike on de.wikipedia (CC BY-SA 3.0)
• Amblygonite — Luis Miguel Bugallo Sánchez (Lmbuga Commons)(Lmbuga Galipedia) Publicada por/Publish by: Luis Miguel Bugallo Sánchez (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Amethyst — Gonzalo Devia (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Darla Sondrol (CC0); Darla Sondrol (CC0)
• Ametrine — Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0)
• Ammolite — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Ammonite — Llez (H. Zell). (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Amphibolite — Karelj (CC BY-SA 3.0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Analcime — Ivar Leidus (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Anatase — Didier Descouens (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Andalusite — Ivar Leidus (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Andesite — Photographer: Siim Sepp, 2005 (CC BY-SA 3.0); puzzle: Twyla Baker (CC0); Nessa Eull (CC0)
• Andradite — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Anglesite — Parent Géry (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Anhydrite — Alcinoe (Public domain); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Didier Descouens (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Annabergite — Didier Descouens (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Anorthite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Shannon Heinle (CC0)
• Anorthosite — Mike Davis (CC0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Anthracite — Jakec (CC BY-SA 4.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Apatite — Thomas Spann (CC BY 2.0); puzzle: Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY 4.0); Didier Descouens (CC BY 3.0)
• Aplite — Lysippos (CC BY-SA 3.0); puzzle: Mike Davis (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Apophyllite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Aquamarine — Gunnar Ries Amphibol (CC BY-SA 2.5); puzzle: Shannon Heinle (CC0); Shannon Heinle (CC0); Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY 3.0)
• Aragonite — JJ Harrison (https://www.jjharrison.com.au/) (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY 4.0); Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Arkose — James St. John (CC BY 2.0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0)
• Arsenopyrite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Astrophyllite — Modris Baum (Public domain); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Atacamite — Ivar Leidus (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Augite — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Shannon Heinle (CC0)
• Aurichalcite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Autunite — Didier Descouens (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Aventurine — Doobuzz at English Wikipedia (CC BY-SA 3.0); puzzle: Darla Sondrol (CC0); Bordercolliez (CC0); Stephanie Clifford from Arlington, VA, USA (CC BY 2.0)
• Axinite — Ivar Leidus (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY 3.0); Didier Descouens (CC BY 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Azurite — Ivar Leidus (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Babingtonite — Didier Descouens (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Baculites — DanielCD (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Banded Iron Formation — James St. John (CC BY 2.0); puzzle: James St. John (jsj1771) https://www.flickr.com/people/jsjgeology/ (CC BY 2.0); Ismoon (talk) 19:14, 14 August 2019 (UTC) (CC BY-SA 4.0)
• Barite — Ivar Leidus (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 4.0)
• Basalt — James St. John (CC BY 2.0); puzzle: Mike Davis (CC0); Nessa Eull (CC0); Dexter Perkins (CC0)
• Bastnäsite — Kouame (CC BY-SA 3.0); puzzle: ButtShark (CC BY-SA 4.0); Modris Baum (Public domain); Kelly Nash (CC BY 3.0)
• Bauxite — James St. John (CC BY 2.0); puzzle: Darla Sondrol (CC0); Mike Davis (CC0)
• Belemnite — Ghedoghedo (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Benitoite — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Beryl — Reno Chris at English Wikipedia (Public domain); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Biotite — Fred Kruijen (CC BY-SA 3.0 nl); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Mike Davis (CC0)
• Bismuth — Alchemist-hp (talk) (www.pse-mendelejew.de) (FAL); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Black Tourmaline — Parent Géry (CC BY-SA 3.0); puzzle: Jan Helebrant (CC BY-SA 2.0); Shannon Heinle (CC0); James St. John (CC BY 2.0)
• Blastoid — Diego Delso (CC BY-SA 4.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Bloodstone — Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Blue Lace Agate — I2Overcome (CC0); puzzle: I2Overcome (CC BY 4.0); Unknown authorUnknown author (CC0); I2Overcome (CC BY 4.0)
• Blueschist — Shannon Heinle (CC0)
• Borax — Aram Dulyan (User:Aramgutang) (Public domain); puzzle: Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Bornite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Bournonite — CarlesMillan (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Brachiopod — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Brazilianite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Breccia — No machine-readable author provided. Siim assumed (based on copyright claims). (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); Darla Sondrol (CC0)
• Brookite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Brucite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Shannon Heinle (CC0); James St. John (CC BY 2.0)
• Calaverite — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Calcite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Cannel Coal — Wilson44691 (Public domain); puzzle: James St. John (jsj1771) https://www.flickr.com/people/jsjgeology/ (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Carbonatite — Eurico Zimbres Zimbres (CC BY-SA 3.0); puzzle: Shannon Heinle (CC0); Darla Sondrol (CC0); Darla Sondrol (CC0)
• Carnelian — Hyperdeath (CC BY-SA 4.0); puzzle: Shannon Heinle (CC0)
• Carnotite — Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Cassiterite — CarlesMillan (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Cavansite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Celestine — Ivar Leidus (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Cerussite — Ivar Leidus (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Chabazite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Chalcanthite — Didier Descouens (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Chalcedony — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Chalcocite — Didier Descouens (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Chalcopyrite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 4.0)
• Chalk — Nessa Eull (CC0); puzzle: Mike Davis (CC0); Twyla Baker (CC0)
• Charoite — Piotr Sosnowski (CC BY 3.0); puzzle: Ra'ike (CC BY 3.0); Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY 3.0); Géry PARENT (CC BY-SA 4.0)
• Chert — Unknown (Public domain); puzzle: Mike Davis (CC0); Nessa Eull (CC0); James St. John (CC BY 2.0)
• Chlorite — James St. John (CC BY 2.0); puzzle: Mike Davis (CC0); Mike Davis (CC0); James St. John (CC BY 2.0)
• Chromite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Darla Sondrol (CC0); Darla Sondrol (CC0)
• Chrysoberyl — Matteo Chinellato (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Chrysocolla — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Chrysoprase — Xth-Floor (CC BY-SA 3.0); puzzle: Parent Géry (Public domain); Parent Géry (Public domain); Parent Géry (Public domain)
• Chrysotile — Eurico Zimbres (CC BY-SA 2.5); puzzle: Nessa Eull (CC0); Nessa Eull (CC0); Nessa Eull (CC0)
• Cinnabar — H. Zell (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Citrine — Didier Descouens (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Parent Géry (Public domain); Parent Géry (Public domain)
• Claystone — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0)
• Coal — Amcyrus2012 (CC BY 4.0); puzzle: Nessa Eull (CC0); Darla Sondrol (CC0)
• Cobaltite — User Tor Svensson (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Colemanite — Bureau of Mines (Public domain); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Coltan — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Concretion — James St. John (CC BY-SA 4.0); puzzle: James St. John (CC BY-SA 4.0); James St. John (CC BY 2.0)
• Conglomerate — James St. John (CC BY 2.0); puzzle: Dexter Perkins (CC0); Darla Sondrol (CC0); Darla Sondrol (CC0)
• Copal — Didier Descouens (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 3.0)
• Coprolite — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Coquina — PaleoNeolitic (CC BY 4.0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Corundum — Ra'ike (see also Ra'ike on de.wikipedia (CC BY-SA 3.0); puzzle: Nessa Eull (CC0); Dave Dyet http://www.shutterstone.com http://www.dyet.com (Public domain); Auckland Museum Collections from Auckland, Aotearoa New Zealand (CC BY 2.0)
• Covellite — Didier Descouens (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Crinoid — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Crocoite — JJ Harrison (https://www.jjharrison.com.au/) (CC BY-SA 2.5); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Cryolite — Didier Descouens (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Cuprite — Didier Descouens (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Dacite — ScoriaPumice (CC0); puzzle: Twyla Baker (CC0); James St. John (CC BY 2.0)
• Danburite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Datolite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Didier Descouens (CC BY-SA 3.0)
• Demantoid — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0); James St. John (CC BY 2.0)
• Desert Rose — Didier Descouens (CC BY-SA 4.0); puzzle: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0); Nkansah Rexford (CC BY 3.0); Profberger, Lee R. Berger (CC BY-SA 3.0)
• Diabase — CrankyScorpion at English Wikipedia (CC BY-SA 3.0); puzzle: Mike Davis (CC0); Nessa Eull (CC0)
• Diamond — DGPC/ADF Luísa Oliveira (CC0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Diaspore — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Darla Sondrol (CC0)
• Diatomite — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Diopside — Didier Descouens (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 3.0)
• Dioptase — Géry PARENT (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Diorite — Michael C. Rygel (CC BY-SA 3.0); puzzle: Joseph H. Hartman (CC0); Mike Davis (CC0); Mike Davis (CC0)
• Dolomite — Didier Descouens (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 3.0)
• Dolostone — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Dravite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Dumortierite — Géry PARENT (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); Adam Kelliher / Rubble Rock and Gem (CC BY-SA 4.0)
• Dunite — B.navez (CC BY-SA 3.0); puzzle: Mike Davis (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Eclogite — No machine-readable author provided. Woudloper assumed (based on copyright claims). (Public domain); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Elbaite — Ivar Leidus (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 3.0)
• Emerald — Géry PARENT (CC0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Enstatite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Shannon Heinle (CC0); Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0); Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0)
• Epidote — Gleb Korovko (CC BY 4.0); puzzle: Didier Descouens (CC BY 4.0); Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY 4.0)
• Epsomite — Manuel Pina L (CC BY-SA 4.0); puzzle: WTucker (talk) (CC BY-SA 3.0)
• Erythrite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Euclase — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Eudialyte — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Eurypterid — H. Zell (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Fire Agate — Maricopa Mining LLC (CC BY-SA 3.0); puzzle: Brocken Inaglory (CC BY-SA 3.0); Malinadams (CC BY-SA 3.0); Lysergian (Public domain)
• Flint — Otis Crandell (CC BY-SA 3.0); puzzle: Nessa Eull (CC0); Shannon Heinle (CC0); Ra'ike (CC BY-SA 3.0)
• Fluorite — CarlesMillan (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Fossil Shark Tooth — Wilson44691 (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Franklinite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Fuchsite — James St. John (CC BY 2.0); puzzle: Didier Descouens (CC BY-SA 4.0); Shannon Heinle (CC0); Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY 2.5)
• Fulgurite — John Alan Elson (CC BY-SA 4.0); puzzle: James St. John (CC BY 2.0); Ji-Elle (CC BY-SA 3.0)
• Fusulinid — Wilson44691 (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Gabbro — Darla Sondrol (CC0); puzzle: Mike Davis (CC0)
• Galena — Ivar Leidus (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Garnet — Moha112100 (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Geode — James St. John (CC BY 2.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Glaucophane — Didier Descouens (CC BY-SA 4.0); puzzle: Shannon Heinle (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Glossopteris — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); Eduard Solà (CC BY-SA 3.0)
• Gneiss — No machine-readable author provided. Siim assumed (based on copyright claims). (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Goethite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY 4.0); Didier Descouens (CC BY 3.0); Didier Descouens (CC BY 3.0)
• Gold — Alchemist-hp (talk) www.pse-mendelejew.de (CC BY-SA 3.0 de); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Goniatite — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); Ghedoghedo (CC BY-SA 4.0); Jesse Burgle Johnson (CC BY-SA 4.0)
• Goshenite — Géry PARENT (CC BY-SA 3.0); puzzle: Géry PARENT (CC BY-SA 4.0); Parent Géry (Public domain); Parent Géry (Public domain)
• Granite — The stone gate (CC BY-SA 4.0); puzzle: Dexter Perkins (CC0); Dexter Perkins (CC0); Dexter Perkins (CC0)
• Granodiorite — Rudolf Pohl (CC BY-SA 3.0); puzzle: Joseph H. Hartman (CC0); James St. John (CC BY 2.0)
• Granulite — Shannon Heinle (CC0); puzzle: No machine-readable author provided. Zimbres assumed (based on copyright claims). (CC BY 2.5)
• Grape Agate — JJ Harrison (https://www.jjharrison.com.au/) (CC BY-SA 4.0); puzzle: John Sobolewski (CC BY 4.0); Muhammad Majid (CC0); I2Overcome (CC BY 4.0)
• Graphite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Graptolite — Grezmagro (CC BY-SA 4.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Greenschist — No machine-readable author provided. Siim assumed (based on copyright claims). (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Greywacke — James St. John (CC BY 2.0)
• Grossular — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Gypsum — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Halite — Lech Darski (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Haüyne — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY 3.0); Parent Géry (CC BY-SA 3.0); Parent Géry (CC BY-SA 3.0)
• Heliodor — Parent Géry (CC BY-SA 3.0); puzzle: Géry PARENT (Public domain)
• Hematite — Wikipedia Loves Art participant "Assignment_Houston_One" (CC BY-SA 2.5); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Hemimorphite — Ivar Leidus (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Herkimer Diamond — Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Heulandite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Hiddenite — Parent Géry (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 4.0); Parent Géry (CC BY-SA 3.0); Parent Géry (CC BY-SA 3.0)
• Horn Coral — James St. John (CC BY 2.0); puzzle: Bots22940 (CC BY 4.0)
• Hornblende — Shannon Heinle (CC0); puzzle: Creator:Robert Lavinsky (CC BY-SA 3.0)
• Hornfels — User Fed on ru.wikipedia (Public domain); puzzle: Nessa Eull (CC0); Nessa Eull (CC0); James St. John (jsj1771) (https://www.flickr.com/people/jsjgeology/) (CC BY 2.0)
• Howlite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY 3.0); AlexeiAVA (CC BY 4.0)
• Ilmenite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Ilvaite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Iolite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Parent Géry (CC BY-SA 3.0); David Abercrombie (CC BY-SA 2.0)
• Iron Meteorite — Ji-Elle (Public domain); puzzle: Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0); James St. John (CC BY 2.0)
• Ironstone — James St. John (CC BY-SA 4.0); puzzle: James St. John (CC BY 2.0)
• Jadeite — Shannon Heinle (CC0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Jamesonite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Jarosite — Dave Dyet http://www.shutterstone.com http://www.dyet.com (Public domain); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Jasper — Tommy from Arad (CC BY 2.0); puzzle: Shannon Heinle (CC0); Darla Sondrol (CC0); Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0)
• Jet — Geni (CC BY-SA 4.0); puzzle: me (CC BY-SA 4.0)
• Kaolinite — James St. John https://www.flickr.com/people/jsjgeology?rb=1 (CC BY 2.0); puzzle: Shannon Heinle (CC0); Shannon Heinle (CC0)
• Kimberlite — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Knightia — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); Dwergenpaartje (CC BY-SA 3.0); tobias1984 (CC BY-SA 3.0)
• Kunzite — Didier Descouens (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 3.0); Parent Géry (Public domain); Parent Géry (Public domain)
• Kyanite — User:Aelwyn (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Labradorite — Parent Géry (Public domain); puzzle: Parent Géry (Public domain); Parent Géry (Public domain); Parent Géry (Public domain)
• Lamprophyre — Pelex (CC BY 3.0); puzzle: Mike Davis (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Lapis Lazuli — Hannes Grobe (CC BY-SA 2.5); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Larimar — Parent Géry (Public domain); puzzle: Parent Géry (Public domain); Parent Géry (CC BY-SA 3.0); Parent Géry (CC BY-SA 3.0)
• Larvikite — Woudloper (Public domain); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Lazulite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Lazurite — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Lepidolite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Shannon Heinle (CC0)
• Leucite — Dave Dyet http://www.shutterstone.com http://www.dyet.com (Public domain); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Libyan Desert Glass — H. Raab (User:Vesta) (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Lignite — James St. John (CC BY 2.0)
• Limestone — Mike Davis (CC0); puzzle: James St. John (CC BY 2.0); Mike Davis (CC0); Mike Davis (CC0)
• Limonite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Linarite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Magnesite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Magnetite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Malachite — JJ Harrison (https://www.jjharrison.com.au/) (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Manganite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Marble — Zyance (CC BY-SA 2.5); puzzle: Darla Sondrol (CC0); Nessa Eull (CC0); Nessa Eull (CC0)
• Marcasite — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Mesolite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Metaconglomerate — Wilson44691 (Public domain); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Microcline — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Darla Sondrol (CC0); Shannon Heinle (CC0)
• Migmatite — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Milky Quartz — James St. John (CC BY 2.0); puzzle: Jan Helebrant (CC BY-SA 2.0); Jan Helebrant (CC BY-SA 2.0); Jan Helebrant (CC BY-SA 2.0)
• Millerite — James St. John (CC BY 2.0); puzzle: Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Mimetite — Ivar Leidus (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Moissanite — Andrew Silver (Public domain); puzzle: Taubmendy (CC BY-SA 3.0); Lamiot (CC BY-SA 4.0); James St. John (CC BY 2.0)
• Moldavite — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Molybdenite — Didier Descouens (CC BY 3.0); puzzle: Didier Descouens (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Monazite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Monzonite — Courtesy NASA/JPL-Caltech (Public domain); puzzle: Joseph H. Hartman (CC0); Mike Davis (CC0)
• Moonstone — Didier Descouens (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Morganite — Parent Géry (Public domain); puzzle: Parent Géry (Public domain); Parent Géry (CC BY-SA 3.0); Parent Géry (CC BY-SA 3.0)
• Moss Agate — Unknown (Public domain); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); Shannon Heinle (CC0)
• Mudstone — James St. John (CC BY 2.0); puzzle: Dexter Perkins (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Muscovite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Mylonite — Unknown (CC BY-SA 1.0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Native Copper — Native_Copper_Macro_Digon3.jpg: “Jonathan Zander (Digon3)" derivative work: Materialscientist (talk) (CC BY-SA 3.0); puzzle: Darla Sondrol (CC0); Darla Sondrol (CC0)
• Native Platinum — Periodictableru (CC BY 3.0); puzzle: Alchemist-hp (talk) (www.pse-mendelejew.de) (FAL); James St. John (CC BY 2.0)
• Native Silver — Alchemist-hp (talk) (www.pse-mendelejew.de) (CC BY-SA 3.0 de); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Parent Géry (CC BY-SA 3.0); Darla Sondrol (CC0)
• Natrolite — Didier Descouens (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Shannon Heinle (CC0)
• Nepheline — Andrew Silver, USGS (Public domain); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Joseph H. Hartman (CC0); Joseph H. Hartman (CC0)
• Nepheline Syenite — Jstuby (CC BY-SA 3.0); puzzle: Darla Sondrol (CC0); Darla Sondrol (CC0); Darla Sondrol (CC0)
• Nephrite — Piotr Sosnowski (CC BY-SA 4.0); puzzle: Shannon Heinle (CC0); Shannon Heinle (CC0); James St. John (CC BY 2.0)
• Neptunite — Géry PARENT (Public domain); puzzle: Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY 4.0); Parent Géry (Public domain)
• Norite — Courtesy NASA/JPL-Caltech (Public domain); puzzle: Darla Sondrol (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Novaculite — James St. John (CC BY 2.0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0)
• Nummulite — Wilson44691 (Public domain); puzzle: Parent Géry (CC BY-SA 3.0); Fernando Losada Rodríguez (CC BY-SA 4.0); Fernando Losada Rodríguez (CC BY-SA 4.0)
• Obsidian — Ji-Elle It feels nice and warm It feels like a love storm (CC BY-SA 3.0); puzzle: Twyla Baker (CC0); Mike Davis (CC0)
• Oil Shale — Mike Davis (CC0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Okenite — Kora27 (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Olivine — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Nessa Eull (CC0)
• Onyx — W.carter (CC BY 4.0); puzzle: W.carter (CC BY 4.0)
• Oolite — Wilson44691 (Public domain); puzzle: Mike Davis (CC0)
• Opal — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Orbicular Granite — Bachelot Pierre J-P (CC BY-SA 3.0); puzzle: The original uploader was Tillman at English Wikipedia. (CC BY 2.0); Dropus (CC BY-SA 4.0); Orderinchaos (CC BY-SA 4.0)
• Orpiment — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Orthoceras — Parent Géry (CC BY-SA 3.0); puzzle: Parent Géry (CC BY-SA 3.0); Fernando Losada Rodríguez (CC BY-SA 4.0); Fernando Losada Rodríguez (CC BY-SA 4.0)
• Orthoclase — Didier Descouens (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Pallasite — Doug Bowman (CC BY 2.0); puzzle: Parent Géry (CC BY-SA 3.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Pearl — MASAYUKI KATO (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Pectolite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Pegmatite — No machine-readable author provided. Zimbres assumed (based on copyright claims). (CC BY-SA 2.5); puzzle: Parent Géry (CC BY-SA 3.0); Darla Sondrol (CC0); Shannon Heinle (CC0)
• Pentlandite — John Sobolewski (JSS) (CC BY 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Darla Sondrol (CC0)
• Peridotite — Shannon Heinle (CC0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0)
• Petalite — Eurico Zimbres (CC BY-SA 2.5); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Petoskey Stone — David J. Fred (Dfred) (CC BY 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Petrified Wood — Michael Gäbler (CC BY 3.0); puzzle: Shannon Heinle (CC0); Géry PARENT (Public domain); Géry PARENT (CC BY-SA 3.0)
• Phenakite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Phlogopite — Géry PARENT (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Phonolite — No machine-readable author provided. Siim assumed (based on copyright claims). (CC BY-SA 3.0); puzzle: Joseph H. Hartman (CC0); Ra'ike (Wikipedia) (CC BY-SA 3.0 de)
• Phosphophyllite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Phosphorite — James St. John (CC BY 2.0); puzzle: Mike Davis (CC0); James St. John (CC BY 2.0)
• Phyllite — EdwardEMeyer (CC BY-SA 4.0); puzzle: Mike Davis (CC0); James St. John (CC BY 2.0)
• Pitchstone — Alpsdake (CC0)
• Porphyry — James St. John (CC BY 2.0); puzzle: Joseph H. Hartman (CC0); Twyla Baker (CC0); Mike Davis (CC0)
• Prasiolite — Mauro Cateb (CC BY-SA 4.0); puzzle: Rama (CC BY-SA 3.0 fr)
• Precious Coral — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Prehnite — Ivar Leidus (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY 4.0); Didier Descouens (CC BY-SA 4.0)
• Proustite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Psilomelane — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Shannon Heinle (CC0); Robert M. Lavinsky (CC BY-SA 3.0)
• Pumice — User MPF on en.wikipedia (CC BY-SA 3.0); puzzle: Joseph H. Hartman (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Pyrargyrite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Pyrite — Ivar Leidus (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 4.0)
• Pyrolusite — Unknown authorUnknown author (Public domain); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Pyromorphite — Ivar Leidus (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Pyrope — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Parent Géry (Public domain); Nefronus (CC BY-SA 4.0); Géry PARENT (Public domain)
• Pyrrhotite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 3.0)
• Quartz — Didier Descouens (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 3.0)
• Quartzite — Gabriel Haute Maurienne (CC BY-SA 4.0); puzzle: Mike Davis (CC0); Mike Davis (CC0); James St. John (CC BY 2.0)
• Rapakivi — Lysippos (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0)
• Realgar — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0)
• Red Beryl — Parent Géry (Public domain); puzzle: Géry PARENT (CC BY-SA 4.0); Doeverbeithough (CC BY-SA 4.0); Géry PARENT (CC BY-SA 4.0)
• Rhodochrosite — JJ Harrison (https://www.jjharrison.com.au/) (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Rhodolite — Dave Dyet http://www.shutterstone.com http://www.dyet.com (Public domain); puzzle: Darla Sondrol (CC0); Darla Sondrol (CC0)
• Rhodonite — CarlesMillan (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 4.0)
• Rhyolite — Benhoff (CC BY-SA 3.0); puzzle: Joseph H. Hartman (CC0); Joseph H. Hartman (CC0); Joseph H. Hartman (CC0)
• Rosasite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Rose Quartz — James St. John (CC BY 2.0); puzzle: Darla Sondrol (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Ruby — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Darla Sondrol (CC0); James St. John (CC BY 2.0)
• Rutilated Quartz — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Rutile — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY 4.0); Didier Descouens (CC BY 4.0); Didier Descouens (CC BY 3.0)
• Sandstone — Unknown (Public domain); puzzle: Darla Sondrol (CC0); Nessa Eull (CC0)
• Sapphire — James St. John (CC BY 2.0); puzzle: Nessa Eull (CC0); Nessa Eull (CC0); James St. John (CC BY 2.0)
• Scapolite — Géry PARENT (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Parent Géry (CC BY-SA 3.0)
• Scheelite — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Schist — Michael C. Rygel (CC BY-SA 3.0); puzzle: Darla Sondrol (CC0); Darla Sondrol (CC0); Shannon Heinle (CC0)
• Scolecite — Carles Millan (CC BY 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); James St. John (CC BY 2.0)
• Scoria — ScoriaPumice (CC0); puzzle: Mike Davis (CC0); James St. John (CC BY 2.0)
• Scorodite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Nessa Eull (CC0)
• Selenite — Parent Géry (CC BY-SA 3.0); puzzle: Twyla Baker (CC0); Twyla Baker (CC0); Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY 2.5)
• Sepiolite — Shannon Heinle (CC0); puzzle: Leon Hupperichs (CC BY-SA 3.0); John Krygier (Public domain)
• Septarian Nodule — James St. John (CC BY 2.0); puzzle: Keith Pomakis (CC BY-SA 2.5); Tony Hisgett from Birmingham, UK (CC BY 2.0); James St. John (CC BY 2.0)
• Seraphinite — Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY 3.0); puzzle: Texas Lane (CC BY-SA 4.0)
• Serpentine — Tiia Monto (CC BY-SA 3.0); puzzle: Darla Sondrol (CC0); Shannon Heinle (CC0); Nessa Eull (CC0)
• Serpentinite — Gabriel HM (CC BY-SA 4.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Shale — James St. John (CC BY 2.0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Siderite — DerHexer, Wikimedia Commons (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Sillimanite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Siltstone — Mike Davis (CC0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Skarn — Dexter Perkins (CC0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0); Nessa Eull (CC0)
• Slate — Dexter Perkins (CC0); puzzle: Mike Davis (CC0); Mike Davis (CC0); Mike Davis (CC0)
• Smithsonite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Smoky Quartz — James St. John (CC BY 2.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Snowflake Obsidian — Mike Davis (CC0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Soapstone — Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Sodalite — Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY-SA 3.0); puzzle: Parent Géry (CC BY-SA 3.0); Mike Davis (CC0); Darla Sondrol (CC0)
• Spessartine — Géry PARENT (Public domain); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Sphalerite — Ivar Leidus (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Spinel — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Spodumene — Parent Géry (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Parent Géry (Public domain)
• Staurolite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Stibnite — H. Zell (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Stilbite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Stromatolite — Didier Descouens (CC BY-SA 4.0); puzzle: Ra'ike (Wikipedia) (CC BY-SA 3.0 de); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Strontianite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Darla Sondrol (CC0)
• Sugilite — RDCnet (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Sulfur — Ivar Leidus (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Sunstone — James St. John (CC BY 2.0); puzzle: Ra'ike (CC BY-SA 3.0); Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY 3.0)
• Syenite — James St. John (CC BY 2.0); puzzle: Mike Davis (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Sylvite — Luis Miguel Bugallo Sánchez (Lmbuga Commons)(Lmbuga Galipedia) Publicada por/Publish by: Luis Miguel Bugallo Sánchez (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Shannon Heinle (CC0); James St. John (CC BY 2.0)
• Talc — Unknown (Public domain); puzzle: Didier Descouens (CC BY-SA 4.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Tanzanite — Didier Descouens (CC BY 3.0); puzzle: Didier Descouens (CC BY 3.0); Parent Géry (Public domain); Parent Géry (CC BY-SA 3.0)
• Tektite — Brocken Inaglory (CC BY-SA 3.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Tetrahedrite — Ivar Leidus (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Thomsonite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Thunderegg — David Rix Eibonvale (CC BY 3.0); puzzle: M.O. Stevens (CC BY 3.0); Lech Darski (CC BY-SA 3.0)
• Tiger's Eye — Marek Novotnak (CC BY-SA 4.0); puzzle: James St. John (CC BY 2.0); Mauro Cateb (CC BY-SA 3.0)
• Titanite — Fred Kruijen (CC BY-SA 3.0 nl); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Tonalite — Ingwik (Public domain); puzzle: Darla Sondrol (CC0); Darla Sondrol (CC0); Joseph H. Hartman (CC0)
• Topaz — Parent Géry (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Torbernite — Didier Descouens (CC BY-SA 3.0); puzzle: Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 3.0); Didier Descouens (CC BY-SA 4.0)
• Tourmaline — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Trachyte — Joseph H. Hartman (CC0); puzzle: Joseph H. Hartman (CC0); Mike Davis (CC0)
• Travertine — Nessa Eull (CC0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0)
• Tremolite — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Trilobite — James St. John (CC BY 2.0); puzzle: Ra'ike (see also: de:Benutzer:Ra'ike) (CC BY 3.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Tsavorite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Parent Géry (Public domain); Lech Darski (CC BY-SA 4.0); Lech Darski (CC BY-SA 4.0)
• Tufa — Darla Sondrol (CC0); puzzle: Mike Davis (CC0); Darla Sondrol (CC0)
• Tuff — Ivan Fernanadez 1011 (CC BY-SA 4.0); puzzle: Darla Sondrol (CC0); Nessa Eull (CC0); Nessa Eull (CC0)
• Turquoise — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Turritella Agate — Agiyo (CC BY-SA 4.0); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Ulexite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Unakite — Tom Harpel from Seattle, Washington, United States (CC BY 2.0); puzzle: Nessa Eull (CC0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Uraninite — Geomartin (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Uvarovite — Géry PARENT (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Vanadinite — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Variscite — Didier Descouens (CC BY 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Vesuvianite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Vivianite — CarlesMillan (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Parent Géry (CC BY-SA 3.0)
• Volcanic Bomb — National Park Service/Ed Shiinoki (Public domain); puzzle: James St. John (CC BY 2.0); James St. John (CC BY 2.0); James St. John (CC BY 2.0)
• Wavellite — Didier Descouens (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Willemite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Witherite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Wolframite — Didier Descouens (CC BY-SA 4.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Parent Géry (CC BY-SA 3.0)
• Wollastonite — Didier Descouens (CC BY-SA 3.0); puzzle: Shannon Heinle (CC0); James St. John (CC BY 2.0)
• Wulfenite — Ivar Leidus (CC BY-SA 4.0); puzzle: Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 4.0); Didier Descouens (CC BY-SA 3.0)
• Zincite — cobalt123 (CC BY-SA 2.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0)
• Zircon — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Robert M. Lavinsky (CC BY-SA 3.0); Parent Géry (CC BY-SA 3.0)
• Zoisite — Robert M. Lavinsky (CC BY-SA 3.0); puzzle: Robert M. Lavinsky (CC BY-SA 3.0); Nessa Eull (CC0); Robert M. Lavinsky (CC BY-SA 3.0)