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

Leaders of states in the U.S. which have significant mineral deposits often create a state mineral, rock, stone or gemstone to promote interest in their natural resources, history, tourism, etc. Not every state has an official state mineral, rock, stone and/or gemstone, however.

In the chart below, a year which is listed within parentheses represents the year during which that mineral, rock, stone or gemstone was officially adopted as a state symbol or emblem.

Table of minerals, rocks, stones and gemstones State, federal district, territoryMineralRock or stoneGemstone Alabama Alaska   Arizona Arkansas CaliforniaCalifornia Government Code, §§ 420-429.8 Colorado Connecticut   Delaware Florida Georgia Hawaiʻi Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Granitic pegmatite (2023) Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma   Oregon State Twin Minerals:and Pennsylvania Rhode Island South Carolina South Dakota andState Jewelry: Black Hills Gold Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

See also Lists of U.S. state insignia List of U.S. state fossils

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