Texas State Stone & Gem: Texas Blue Topaz, Petrified Palmwood

Texas's state gem is Texas Blue Topaz, adopted in 1969. Texas's state stone is petrified palmwood, adopted in 1969. Texas's state gemstone cut is the Lone Star Cut, adopted in 1977. Texas's state precious metal is silver, adopted in 2007. Texas's state dinosaur is Paluxysaurus Jonesi, adopted in 2009.

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

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

State gem: Texas Blue Topaz

Adopted:: 1969
Law:: House Concurrent Resolution 12, 61st Legislature, Regular Session (1969)
Variety:: Texas blue topaz

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

How to identify topaz →

Often confused with: Aquamarine, Citrine, Danburite

Also an official symbol of: Utah

Petrified Wood specimen — Petrified Wood (not necessarily from Texas). Photo: Michael Gäbler, CC BY 3.0, via Wikimedia Commons

State stone: Petrified Palmwood

Adopted:: 1969
Law:: House Concurrent Resolution 12, 61st Legislature, Regular Session (1969)
Variety:: petrified palmwood

It is a kind of petrified wood. Petrified wood is a fossil with a Mohs hardness of about 6.5–7 and a waxy to vitreous luster, usually brown, red, yellow, gray or black.

How to identify petrified wood →

Often confused with: Chert, Jasper, Turritella Agate

Also an official symbol of: Arizona, Mississippi, North Dakota, Washington

State gemstone cut: Lone Star Cut

Adopted:: 1977
Law:: House Concurrent Resolution 97, 65th Legislature, Regular Session (1977)

Native Silver specimen — Native Silver (not necessarily from Texas). Photo: Alchemist-hp (talk) (www.pse-mendelejew.de), CC BY-SA 3.0 de, via Wikimedia Commons

State precious metal: Silver

Adopted:: 2007
Law:: House Concurrent Resolution 102, 80th Legislature, Regular Session (2007)

Native silver is a mineral (Ag) with a Mohs hardness of 2.5–3 and a metallic luster, usually silvery or black.

How to identify native silver →

Often confused with: Bismuth, Galena, Native Platinum

Also an official symbol of: Nevada

State dinosaur: Paluxysaurus Jonesi

Adopted:: 2009
Law:: House Concurrent Resolution 16, 81st Legislature, Regular Session (2009)

Texas state symbols FAQ

What is the state gem of Texas?

Texas's state gem is Texas Blue Topaz, adopted in 1969 (House Concurrent Resolution 12, 61st Legislature, Regular Session (1969)).

What is the state stone of Texas?

Texas's state stone is petrified palmwood, adopted in 1969 (House Concurrent Resolution 12, 61st Legislature, Regular Session (1969)).

What is the state gemstone cut of Texas?

Texas's state gemstone cut is the Lone Star Cut, adopted in 1977 (House Concurrent Resolution 97, 65th Legislature, Regular Session (1977)).

What is the state precious metal of Texas?

Texas's state precious metal is silver, adopted in 2007 (House Concurrent Resolution 102, 80th Legislature, Regular Session (2007)).

What is the state dinosaur of Texas?

Texas's state dinosaur is Paluxysaurus Jonesi, adopted in 2009 (House Concurrent Resolution 16, 81st Legislature, Regular Session (2009)).

Does Texas have a state mineral?

No. Texas has no official state mineral. Its geological symbols are Texas blue topaz (state gem), petrified palmwood (state stone), silver (state precious metal) and the Lone Star Cut (state gemstone cut).

Sources

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

Texas State Symbols, with resolution citations — Texas State Library and Archives Commission (accessed 2026-10-23).

Last verified 2026-10-23. Corrections welcome: if a statute has changed, tell us and we'll re-verify.

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