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State Gemstones, Rocks, Fossils and Minerals
Does my state have a official state gemstone, rock, mineral, or fossil?
Alabama designated Hematite as the state mineral in 1967, Hematite as the state rock in 1969, and Star Blue Quartz as the state gemstone in 1990.
Alaska designated Gold as the state mineral and Jade as the state gem in 1968.
Arizona designated Turquoise as the state gemstone in 1974 and Petrified Wood as the state fossil in 1988. Arizona's nickname is "The Copper State", but Copper is not an official state symbol. Fire Agate is the Arizona’s unofficial state mineral.
Arkansas designated the Quartz Crystal as the state mineral, Diamond as the state gem and Bauxite as the state rock in 1967.
California was the first state to designate an official state rock, Serpentine in 1965. California also designated Gold as the state mineral in 1965. California's nickname is the Golden State. California designated Benitoite as the state gemstone in 1985. It is only found in gem quality in San Benito County, CA.
Colorado designated Aquamarine as the state gemstone in 1971, Rhodochrosite as the state mineral in 2002, and Yule Marble as the state rock in 2004. Yule Marble is found only in the Yule Creek Valley, in the West Elk Mountains of Colorado.
Connecticut designated Garnet as the state mineral in 1977.
Delaware designated Sillimanite as the state mineral in 1977.
Florida designated Moonstone the state gem in 1970, even though Moonstone is not found there. It was to memorialize American astronauts landing on the moon as all astronaut-controlled spaceflights had been launched from the Kennedy Space Center in Florida. Florida also designated the state stone as Agatized Coral in 1979.
Georgia designated Quartz as the state gem and Staurolite as the state mineral in 1976.
Hawaii designated Black Coral as the state gem in 1987.
Idaho designated the Star Garnet as the state stone or gem in 1967. Idaho's nickname is "The Gem State."
Illinois designated Fluorite as the state mineral in 1965.
Indiana designated Salem Limestone as the state rock in 1971.
Iowa designated the Geode as the state rock in 1967.
Kansas has no official state stone or mineral.
Kentucky designated the Freshwater Pearl as the state gemstone in 1986, Coal as the state mineral in 1998, and the Kentucky Agate as the state stone in 2000.
Louisiana designated Petrified Palm Wood as the state fossil and Agate as the state gemstone in 1976.
Maine designated Tourmaline as the state gemstone in 1971.
Maryland designated Patuxent River Stone as the state gem in 2004.
Massachusetts designated Babingtonite as the state mineral in 1971 and Rhodonite as the state gem in 1979.
Michigan designated Petosky Stone (a variety of fossilized coral found only in Michigan) as the state stone in 1965 and Isle Royale Greenstone (chlorastrolite) as the state gem in 1973.
Minnesota designated Lake Superior Agate as the state gemstone in 1969.
Mississippi designated Petrified Wood as the state stone in 1976.
Missouri designated Galena (lead sulfide) as the state mineral in 1967. Missouri's nickname is the Lead State.
Montana designated both the Sapphire and Montana Agate as the state gemstones in 1969.
Nebraska designated Blue Chalcedony as the state gemstone in 1967.
Nevada designated Silver as the state metal in 1977, Nevada's nickname is the Silver State, and Sandstone as the state rock in 1987. Nevada also has a state precious gemstone, Virgin Valley Black Fire Opal and a state semi-precious gemstone, Turquoise.
New Hampshire designated Smoky Quartz as the state gem and Granite as the state stone in 1985. New Hampshire's nickname is the Granite State. New Hampshire also designated Beryl as the state mineral in 1985.
New Jersey does not have an official stone or mineral state symbol.
New Mexico designated Turquoise as the state gem in 1967.
New York designated the Wine Red Garnet as the state gem in 1969.
North Carolina designated the Emerald as the state precious stone in 1973. North Carolina also designated Granite as the state rock in 1979 and Gold as the state mineral in 2011.
North Dakota does not have a state stone or mineral, but Teredo Petrified Wood was designated as the state fossil in 1967.
Ohio designated Ohio Flint as the state gemstone in 1965.
Oklahoma designated Rose Rock (barite rose) as the state rock in 1968. Oklahoma became the first state with a state crystal when they designated the Hourglass Selenite Crystal in 2005. These crystals are found only on the salt plains of Oklahoma.
Oregon designated the Thunder egg (geode) as the state rock in 1965 and Oregon Sunstone as the state gemstone in 1987.
Pennsylvania has no state stone or mineral.
Rhode Island designated Bowenite (a type of serpentine) as the state mineral in 1966.
South Carolina designated Amethyst as the state gemstone in 1969.
South Dakota designated Fairburn Agate as the state gemstone and Rose Quartz as the state mineral in 1966.
Tennessee designated Agate as the state stone in 1969 and Tennessee River Pearls as the state gem in 1979.
Texas designated Texas Blue Topaz as the state gemstone in 1969 and in 1977 the lonestar cut was also recognized as the official state gemstone cut. Texas also designated Petrified Palm Wood as the state stone in 1969. Silver has been Texas' state precious metal since 2007.
Utah designated Topaz as the state gem in 1969, Copper as the state mineral in 1994, and Coal as the state rock in 1991.
Virginia does not have an official state stone or mineral.
Vermont designated the Grossular Garnet as the state gem and Talc as the state mineral in 1991.
Washington designated Petrified Wood as the state gem in 1975.
West Virginia designated Silicified Mississippian Fossil Coral as state gem/fossil in 1990 and Bituminous Coal as state rock in 2009.
Wisconsin designated Galena (lead sulfide) as the state mineral and Red Granite as the state rock 1971.
Wyoming designated Nephrite Jade as the state gemstone in 1967.
Check out more Rock and Mineral Information here.
OakRocks has been in the rock and mineral business for 30 years. We are a great source for a variety of rocks, minerals, fossils, and semi precious gemstones. If you are looking for a rocks and minerals from a specific state just enter the state name in the search box on the upper left! Or click on the Localities button above to read more about rocks and minerals from a specific locality.