RocksdayPlay

New Hampshire State Rock, Mineral & Gem: Granite, Beryl, Smoky quartz

New Hampshire's state rock is granite, adopted in 1985. New Hampshire's state mineral is beryl, adopted in 1985. New Hampshire's state gem is smoky quartz.

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

Granite specimen
Granite (not necessarily from New Hampshire). Photo: The stone gate, CC BY-SA 4.0, via Wikimedia Commons

State rock: Granite

Adopted:
1985
Law:
RSA 3:13

Granite is an igneous rock with a Mohs hardness of about 6–7 and a granular, sparkly luster, usually pink, gray, white or black.

How to identify granite →

Often confused with: Arkose, Diorite, Gneiss

Also an official symbol of: Massachusetts, North Carolina, South Carolina, Vermont, Wisconsin

Beryl specimen
Beryl (not necessarily from New Hampshire). Photo: Reno Chris at English Wikipedia, Public domain, via Wikimedia Commons

State mineral: Beryl

Adopted:
1985
Law:
RSA 3:14

Beryl is a mineral (Be₃Al₂Si₆O₁₈) with a Mohs hardness of 7.5–8 and a vitreous luster, usually green, blue, pink or yellow.

How to identify beryl →

Often confused with: Apatite, Chrysoberyl, Goshenite

Smoky Quartz specimen
Smoky Quartz (not necessarily from New Hampshire). Photo: James St. John, CC BY 2.0, via Wikimedia Commons

State gem: Smoky quartz

Law:
RSA 3:15

Smoky quartz is a mineral (SiO₂) with a Mohs hardness of 7 and a vitreous luster, usually brown, gray or black.

How to identify smoky quartz →

Often confused with: Axinite, Citrine, Obsidian

New Hampshire state symbols FAQ

What is the state rock of New Hampshire?

New Hampshire's state rock is granite, adopted in 1985 (RSA 3:13).

What is the state mineral of New Hampshire?

New Hampshire's state mineral is beryl, adopted in 1985 (RSA 3:14).

What is the state gem of New Hampshire?

New Hampshire's state gem is smoky quartz (RSA 3:15).

Sources

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

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