Recent Articles

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

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

State minerals

• Alabama - Hematite (Red Iron Ore)
• Alaska - Gold
• Arkansas - Quartz
• California - Gold
• Connecticut - Garnet
• Delaware - Sillimanite
• Georgia - Staurolite
• Illinois - Flourite
• Massachusetts - Babingtonite
• Missouri - Galena 1967
• South Dakota - Rose quartz (year ?)
• Utah - Copper 1994
• Vermont - Talc (year ?)
• Wisconsin - Galena 1971

State rocks

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

• Alabama - Marble 1969
• Arkansas - Bauxite 1967
• California - Serpentine 1965
• Iowa - Geode 1967
• Kentucky - Agate 2000
• Massachusetts - Roxbury Puddingstone 1983
• Missouri - Mozarkite 1967
• Nebraska - Prairie agate 1967
• Nevada - Sandstone 1987
• North Carolina - Granite 1979
• Oregon - Thunderegg 1965
• Oklahoma - Barite "Rose Rock" (year ?)
• Rhode Island - Cumberlandite 1966
• Tennessee - Limestone 1979
• Utah - Coal 1991
• Vermont - Granite, marble and slate 1992
• Wisconsin - Red granite 1971

State stones

• Florida - Agatized coral 1979
• Michigan - Petoskey stone fossilized coral 1965
• Texas - Oligocene petrified palm wood 1969

State gemstones

• Alabama - Star Blue Quartz
• Arizona - Turquoise
• Arkansas - Diamond
• Colorado - Aquamarine
• California - Benitoite 1985
• Florida - Moonstone
• Georgia - Quartz
• Hawaii - Black coral
• Idaho - Star Garnet
• Maine - Tourmaline
• Massachusetts - Rhodonite
• Michigan - Chlorastrolite, also known as Isle Royale greenstone
• New York - Garnet 1969
• Ohio - Flint (year ?)
• South Dakota - Fairburn agate 1966
• Tennessee - Pearl 1979
• Texas - Texas blue topaz 1969
• Utah - Topaz 1969
• Vermont - Grossular garnet (year ?)
• Washington - Petrified wood 1975
• West Virginia - Silicified Mississippian fossil coral Lithostrotionella 1990
• Wyoming - Jade (Nephrite) 1967

See also

• State fossil
• Lists of U.S. state insignia