Utah State Rock, Stone, Mineral & Gem: Coal, Honeycomb calcite, Copper…

Utah's state rock is coal. Utah's state stone is honeycomb calcite. Utah's state mineral is copper. Utah's state gem is topaz. Utah's state fossil is Allosaurus. Utah's state dinosaur is Utahraptor.

Symbol names and dates are taken from primary state sources linked below. Informal or proposed symbols are not listed unless adopted.

Coal specimen — Coal (not necessarily from Utah). Photo: Amcyrus2012, CC BY 4.0, via Wikimedia Commons

State rock: Coal

Law:: Utah Code § 63G-1-601

Coal is a sedimentary rock with a Mohs hardness of about 2–3 and a dull to submetallic luster, usually black or brown.

How to identify coal →

Often confused with: Anthracite, Cannel Coal, Jet

Also an official symbol of: Kentucky, West Virginia

Calcite specimen — Calcite (not necessarily from Utah). Photo: Robert M. Lavinsky, CC BY-SA 3.0, via Wikimedia Commons

State stone: Honeycomb calcite

Law:: Utah Code § 63G-1-601
Variety:: honeycomb calcite

It is a variety of calcite. Calcite is a mineral (CaCO₃) with a Mohs hardness of 3 and a vitreous luster, usually colorless, white, orange, yellow, blue or green.

The statute says it originates in Duchesne County.

How to identify calcite →

Often confused with: Anhydrite, Apophyllite, Aragonite

Also an official symbol of: Kentucky

Native Copper specimen — Native Copper (not necessarily from Utah). Photo: Native_Copper_Macro_Digon3.jpg: “Jonathan Zander (Digon3)" derivative work: Materialscientist (talk), CC BY-SA 3.0, via Wikimedia Commons

State mineral: Copper

Law:: Utah Code § 63G-1-601

Native copper is a mineral (Cu) with a Mohs hardness of 2.5–3 and a metallic luster, usually orange, brown or green.

How to identify native copper →

Often confused with: Chalcopyrite, Gold

Also an official symbol of: Arizona

Topaz specimen — Topaz (not necessarily from Utah). Photo: Parent Géry, CC BY-SA 3.0, via Wikimedia Commons

State gem: Topaz

Law:: Utah Code § 63G-1-601

Topaz is a mineral with a Mohs hardness of 8 and a vitreous luster, usually colorless, yellow, orange, blue or pink.

The statute notes it is prominently found in the Thomas Mountain Range in Juab County.

How to identify topaz →

Often confused with: Aquamarine, Citrine, Danburite

Also an official symbol of: Texas

State fossil: Allosaurus

Law:: Utah Code § 63G-1-601

State dinosaur: Utahraptor

Law:: Utah Code § 63G-1-601

Utah state symbols FAQ

What is the state rock of Utah?

Utah's state rock is coal (Utah Code § 63G-1-601).

What is the state stone of Utah?

Utah's state stone is honeycomb calcite (Utah Code § 63G-1-601).

What is the state mineral of Utah?

Utah's state mineral is copper (Utah Code § 63G-1-601).

What is the state gem of Utah?

Utah's state gem is topaz (Utah Code § 63G-1-601).

What is the state fossil of Utah?

Utah's state fossil is Allosaurus (Utah Code § 63G-1-601).

What is the state dinosaur of Utah?

Utah's state dinosaur is Utahraptor (Utah Code § 63G-1-601).

Sources

We cite primary sources (statutes, state government pages, federal regulations, and land-manager sites). Third-party listicles are not used as citations.

Utah Code § 63G-1-601, State symbols (effective May 7, 2025) — Utah Legislature (accessed 2026-10-24).

Last verified 2026-10-24. Corrections welcome: if a statute has changed, tell us and we'll re-verify.

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