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

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[edit] Trivia

  • California was the first state to designate an official State Rock.
  • Colorado is the only state whose geological symbols are always red (rhodochrosite), white (yule marble), and blue (aquamarine).
  • Massachusetts also has a state historical rock (Plymouth Rock), explorer rock (Dighton Rock), and building and monument stone (Granite)
  • Vermont has three official State Rocks.

[edit] State Geological Symbols

Not every state has an official state mineral, rock, stone or gemstone. (Years, if listed in parentheses, are the years of the state's adoption.)

State Mineral Rock Stone Gemstone
Alabama Hematite Marble (1969) Star Blue Quartz
Alaska Gold Jade
Arizona Fire Agate Petrified wood Turquoise
Arkansas Quartz 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 palmwood
Maine Tourmaline
Maryland Patuxent River Stone
Massachusetts Babingtonite Roxbury Puddingstone (1983) Rhodonite
Michigan Petoskey stone fossilized coral (1965) Chlorastrolite (aka Isle Royale greenstone)
Minnesota Lake Superior agate (1969)
Mississippi Petrified Wood (1976)
Missouri Galena (1967) Mozarkite (1967)
Montana Agate Yogo Sapphire
Nebraska Blue Agate Prairie agate (1967)
Nevada Silver Sandstone (1987) Precious: Virgin Valley black fire opal; Semiprecious: Nevada turquoise
New Hampshire Beryl (1985) Granite (1985) Smoky quartz (1985)
New Jersey
New Mexico Turquoise
New York Garnet (1967)
North Carolina Granite (1979) Emerald (1973)
North Dakota Teredo Wood
Ohio Ohio Flint
Oklahoma Rose RockBarite crystal
Oregon Thunderegg (1965) Oregon sunstone (1987)
Pennsylvania
Rhode Island Bowenite (1966) Cumberlandite (1966)
South Carolina Blue granite (1969) Amethyst (1969)
South Dakota Rose quartz Fairburn agate (1966)
Tennessee Limestone (1979) Agate Tennessee 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)

[edit] See also

Reference PAge http://www.jewelrymall.com/stategems.html

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