Connecticut State Mineral: Garnet

Connecticut's state mineral is garnet, adopted in 1977. Connecticut's state fossil is the dinosaur footprints of Eubrontes, adopted in 1991.

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

Garnet specimen — Garnet (not necessarily from Connecticut). Photo: Moha112100, CC BY-SA 3.0, via Wikimedia Commons

State mineral: Garnet

Adopted:: 1977
Law:: C.G.S. § 3-110b; P.A. 77-293

Garnet is a mineral with a Mohs hardness of 7–7.5 and a vitreous luster, usually red or brown.

How to identify garnet →

Often confused with: Almandine, Analcime, Corundum

Also an official symbol of: Idaho, New York

State fossil: Dinosaur footprints of Eubrontes

Adopted:: 1991
Law:: C.G.S. § 3-110g; P.A. 91-70

Connecticut state symbols FAQ

What is the state mineral of Connecticut?

Connecticut's state mineral is garnet, adopted in 1977 (C.G.S. § 3-110b; P.A. 77-293).

What is the state fossil of Connecticut?

Connecticut's state fossil is the dinosaur footprints of Eubrontes, adopted in 1991 (C.G.S. § 3-110g; P.A. 91-70).

Sources

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

Connecticut General Statutes chapter 33 (§ 3-110b state mineral, § 3-110g state fossil) — Connecticut 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.

Think you could spot these from a blurry close-up?

Play today's Rocksday