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Official State Gemstones |
| Alabama - Star Blue Quartz | Montana - Yogo sapphire |
| Alaska - Jade | Nebraska - Blue agate |
| Arizona - Turquoise | Nevada - Virgin Valley opal or turquoise. |
| Arkansas - Diamond | New Hampshire - Smoky quartz |
| California - Benitoite | New Jersey - None |
| Colorado - Aquamarine | New Mexico - Turquoise |
| Connecticut - Garnet | New York - Garnet |
| Delaware - None | North Carolina - Emerald |
| Florida - Moonstone | North Dakota - None |
| Georgia - Quartz | Ohio - Ohio flint |
| Hawaii - Black coral | Oklahoma - None |
| Idaho - Star garnet | Oregon - Heliolite (Sunstone) |
| Illinois - None | Pennsylvania - None |
| Indiana - None | Rhode Island - None |
| Iowa - None | South Carolina - Amethyst |
| Kansas - None | South Dakota - Fairburn agate |
| Kentucky - Freshwater pearl | Tennessee - Tennessee pearl |
| Louisiana - Cabochon cut gemstone | Texas - Texas blue topaz |
| Maine - Tourmaline | Utah - Topaz |
| Maryland - Patuxent River stone | Vermont - Grossular garnet |
| Massachusetts - Rhodonite | Virginia - None |
| Michigan - Chlorastrolite | Washington - Petrified wood |
| Minnesota - Lake Superior agate | West Virginia - Chalcedony |
| Mississippi - None | Wisconsin - None |
| Missouri - None | Wyoming - Jade |
| Alabama - Hematite | Montana - Montana agate |
| Alaska - Gold | Nebraska - None |
| Arizona - Fire agate | Nevada - Silver |
| Arkansas - Quartz | New Hampshire - Beryl |
| California - Gold | New Jersey - None |
| Colorado - Rhodochrosite | New Mexico - None |
| Connecticut - Garnet | New York - None |
| Delaware - Sillimanite | North Carolina - Gold |
| Florida - None | North Dakota - None |
| Georgia - Staurolite | Ohio - None |
| Hawaii - None | Oklahoma - Selenite crystal |
| Idaho - None | Oregon - None |
| Illinois - Fluorite | Pennsylvania - None |
| Indiana - None | Rhode Island - Bowenite |
| Iowa - None | South Carolina - None |
| Kansas - None | South Dakota - Rose quartz |
| Kentucky - Coal | Tennessee - Agate |
| Louisiana - Agate | Texas - None |
| Maine - Tourmaline | Utah - Copper |
| Maryland - None | Vermont - Talc |
| Massachusetts - Babingtonite | Virginia - None |
| Michigan - None | Washington - None |
| Minnesota - None | West Virginia - None |
| Mississippi - None | Wisconsin - Galena |
| Missouri - Galena | Wyoming - None |
| Alabama - Marble | Montana - None |
| Alaska - None | Nebraska - Prairie agate |
| Arizona - Petrified wood | Nevada - Sandstone |
| Arkansas - Bauxite | New Hampshire - Granite |
| California - Serpentine | New Jersey - None |
| Colorado - Yule Marble | New Mexico - None |
| Connecticut - None | New York - None |
| Delaware - None | North Carolina - Granite |
| Florida - Agatized coral | North Dakota - None |
| Georgia - None | Ohio - None |
| Hawaii - None | Oklahoma - Barite rose |
| Idaho - None | Oregon - Thunderegg |
| Illinois - None | Pennsylvania - None |
| Indiana - Limestone | Rhode Island - Cumberlandite |
| Iowa - Geode | South Carolina - Blue granite |
| Kansas - None | South Dakota - None |
| Kentucky - Kentucky Agate | Tennessee - Limestone |
| Louisiana - None | Texas - Petrified palmwood |
| Maine - None | Utah - Coal |
| Maryland - None | Vermont - Granite, Marble and Slate |
| Massachusetts - Roxbury Puddingstone | Virginia - None |
| Michigan - Petoskey Stone | Washington - None |
| Minnesota - None | West Virginia - Bituminous coal |
| Mississippi - None | Wisconsin - Red granite |
| Missouri - Mozarkite | Wyoming - None |
| Alabama - Archaeocete whale | Montana - Duck-billed dinosaur |
| Alaska - Woolly mammoth | Nebraska - Mammoth |
| Arizona - Petrified wood | Nevada - Ichthyosaur |
| Arkansas - None | New Hampshire - None |
| California - Saber-toothed cat | New Jersey - Duck-billed dinosaur (Hadrosaur). |
| Colorado - Stegosaurus | New Mexico - Coelophysis |
| Connecticut - Three-toed dinosaur track | New York - Sea scorpion |
| Delaware - Belemnite | North Carolina - Megalodon shark teeth |
| Florida - Sea urchin | North Dakota - Teredo petrified wood |
| Georgia - Shark's tooth | Ohio - Trilobite |
| Hawaii - None | Oklahoma - None |
| Idaho - Hagerman horse fossil | Oregon - Metasequoia |
| Illinois - Tully Monster | Pennsylvania - Trilobite |
| Indiana - None | Rhode Island - None |
| Iowa - Crinoid | South Carolina - Columbian mammoth |
| Kansas - None | South Dakota - Triceratops |
| Kentucky - Brachiopod | Tennessee - Bivalved invertebrate |
| Louisiana - Petrified palmwood | Texas - Brachiosaur sauropod |
| Maine - Early vascular land plant | Utah - Allosaurus |
| Maryland - Ecphora fossil shell | Vermont - Fossilized white whale. |
| Massachusetts - Triassic dinosaur tracks | Virginia - Chesapectan scallop |
| Michigan - Mastodon | Washington - Columbian mammoth |
| Minnesota - None | West Virginia - Megalonyx |
| Mississippi - Archaeocete whale | Wisconsin - Trilobite |
| Missouri - Crinoid | Wyoming - Knightia (fish) |
