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Encyclopedia > State gem

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
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 Barite "Rose Rock"
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)

See also


  Results from FactBites:
 
State Nicknames (508 words)
In spite of the misunderstanding concerning the origin of the name the state continues to be known as the “Gem State” and the “Gem of the Mountains”.
Known unofficially as the “Prairie State”, a fitting nickname for a state that sets aside the third full week in September each year as Illinois Prairie Week to demonstrate the value of preserving and reestablishing native Illinois prairies.
The nickname “Pelican State” is a tribute to the official state bird, the brown pelican, which is native to Louisiana.
  More results at FactBites »


 

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