List of U.S. state minerals, rocks, stones and gemstones

List of U.S. state minerals, rocks, stones, and gemstones. Not every state has an official state mineral, rock, stone or gemstone.

California was the first state to designate an official State Rock. Vermont has three official State Rocks.

State minerals, rocks, stones, gemstones

(Years, if listed in parentheses, are the years of the state's adoption.)

State	Mineral	Rock	Stone	Gemstone
Alabama	Hematite (Red Iron Ore)	Marble (1969)		Star Blue Quartz
Alaska	Gold	Jade
Arizona	Fire Agate	Petrified Wood		Turquoise
Arkansas	Quartz Crystal	Bauxite (1967)		Diamond
California	Gold	Serpentine (1965)		Benitoite (1985)
Colorado	Rhodochrosite (2002)	Yule marble (2004)		Aquamarine (1971)
Connecticut	Garnet
Delaware	Sillimanite
Florida			Agatized coral (1979)	Moonstone
Georgia	Staurolite	Quartz	Amethyst
Hawaii				Black coral
Idaho				Star Garnet
Illinois	Fluorite
Indiana	Limestone
Iowa		Geode (1967)
Kansas
Kentucky	Coal	Kentucky Agate (2000)	Freshwater Pearl
Louisiana	Agate	Petrified Palm
Maine				Tourmaline
Maryland				Patuxent River Stone
Massachusetts	Babingtonite	Roxbury Puddingstone (1983)	Petoskey Stone	Rhodonite
Michigan			Petoskey stone fossilized coral (1965)	Chlorastrolite (aka Isle Royale greenstone)
Minnesota				Lake Superior agate (1969)
Mississippi
Missouri	Galena (1967)	Mozarkite (1967)
Montana
Nebraska	Blue Agate	Prairie agate (1967)
Nevada		Sandstone (1987)		Precious: Virgin Valley black fire opal; Semiprecious: Nevada turquoise
New Hampshire
New Jersey
New Mexico		Turquoise
New York				Garnet (1969)
North Carolina		Granite (1979)		Emerald (1973)
North Dakota	Teredo Wood
Ohio				Flint
Oklahoma		Rose Rock – Barite crystal
Oregon		Thunderegg (1965)
Pennsylvania	Trilobite
Rhode Island		Cumberlandite (1966)
South Carolina
South Dakota	Rose quartz			Fairburn agate (1966)
Tennessee		Limestone (1979)		Pearl (1979)
Texas			Oligocene petrified palm wood (1969)	Texas blue topaz (1969)
Utah	Copper (1994)	Coal (1991)		Topaz (1969)
Vermont	Talc	Granite, marble and slate (1992)		Grossular garnet
Virginia
Washington				Petrified wood (1975)
West Virginia				Silicified Mississippian fossil coral Lithostrotionella (1990)
Wisconsin	Galena (1971)	Red granite (1971)
Wyoming				Jade (Nephrite) (1967)

This list is incomplete; you can help by expanding it.

List of U.S. state minerals, rocks, stones and gemstones

State minerals, rocks, stones, gemstones

See also