RocksdayVermont State Rock, Mineral & Gem: Marble, Granite, Slate…
Vermont's state rocks are marble, granite and slate, adopted in 1992. Vermont's state mineral is talc, adopted in 1992. Vermont's state gem is grossular garnet, adopted in 1992. Vermont's state marine fossil is the white whale fossilized skeleton, adopted in 1993. Vermont's state terrestrial fossil is the Mount Holly mammoth tooth and tusk, adopted in 1993.
Symbol names and dates are taken from primary state sources linked below. Informal or proposed symbols are not listed unless adopted.
State rocks: Marble
- Adopted:
- 1992
- Law:
- 1 V.S.A. § 507; 1991, No. 221 (Adj. Sess.)
Marble is a metamorphic rock with a Mohs hardness of about 3–4 and a sugary sparkle luster, usually white, gray, pink or green.
Often confused with: Anorthosite, Carbonatite, Dolostone
State rocks: Granite
- Adopted:
- 1992
- Law:
- 1 V.S.A. § 507; 1991, No. 221 (Adj. Sess.)
Granite is an igneous rock with a Mohs hardness of about 6–7 and a granular, sparkly luster, usually pink, gray, white or black.
Often confused with: Arkose, Diorite, Gneiss
Also an official symbol of: Massachusetts, New Hampshire, North Carolina, South Carolina, Wisconsin
State rocks: Slate
- Adopted:
- 1992
- Law:
- 1 V.S.A. § 507; 1991, No. 221 (Adj. Sess.)
Slate is a metamorphic rock with a Mohs hardness of about 3–4 and a dull to faint sheen luster, usually gray, black, green or purple.
Often confused with: Blueschist, Hornfels, Mylonite
State mineral: Talc
- Adopted:
- 1992
- Law:
- 1 V.S.A. § 508; 1991, No. 221 (Adj. Sess.)
Talc is a mineral with a Mohs hardness of 1 and a pearly to greasy luster, usually white, green or gray.
State gem: Grossular garnet
- Adopted:
- 1992
- Law:
- 1 V.S.A. § 506; 1991, No. 221 (Adj. Sess.)
Grossular is a mineral with a Mohs hardness of 6.5–7.5 and a vitreous luster, usually green, orange, brown or pink.
Often confused with: Andradite, Emerald, Spessartine
State marine fossil: White whale fossilized skeleton
- Adopted:
- 1993
- Law:
- 1 V.S.A. § 509(a)
The statute names the skeleton at the University of Vermont's Perkins Geology Museum.
State terrestrial fossil: Mount Holly mammoth tooth and tusk
- Adopted:
- 1993
- Law:
- 1 V.S.A. § 509(b)
The statute names the tooth and tusk at the Mount Holly Community Historical Museum.
Vermont state symbols FAQ
What is the state rocks of Vermont?
Vermont's state rocks are marble, granite and slate, adopted in 1992 (1 V.S.A. § 507; 1991, No. 221 (Adj. Sess.)).
What is the state mineral of Vermont?
Vermont's state mineral is talc, adopted in 1992 (1 V.S.A. § 508; 1991, No. 221 (Adj. Sess.)).
What is the state gem of Vermont?
Vermont's state gem is grossular garnet, adopted in 1992 (1 V.S.A. § 506; 1991, No. 221 (Adj. Sess.)).
What is the state marine fossil of Vermont?
Vermont's state marine fossil is the white whale fossilized skeleton, adopted in 1993 (1 V.S.A. § 509(a)).
What is the state terrestrial fossil of Vermont?
Vermont's state terrestrial fossil is the Mount Holly mammoth tooth and tusk, adopted in 1993 (1 V.S.A. § 509(b)).
Sources
We cite primary sources (statutes, state government pages, federal regulations, and land-manager sites). Third-party listicles are not used as citations.
- Vermont Statutes Title 1, chapter 11 (§ 506 gem, § 507 rocks, § 508 mineral, § 509 fossils) — Vermont General Assembly (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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