State Gemstones, Minerals, Fossils and Rocks

Did you know that most states have official rocks, minerals, gemstones, and or fossils?

Find out what rock, mineral or gemstone your state is known for:

ALABAMA = GEMSTONE: Star Blue Quartz - MINERAL: Hematite - FOSSIL: Basilosaurus cetoides - ROCK: Marble

ALASKA = GEMSTONE: Nephrite Jade - MINERAL: Gold - FOSSIL: Woolly Mammoth

ARIZONA = GEMSTONE: Turquoise - MINERAL: Wulfenite - FOSSIL: Araucarioxylon arizonicum

ARKANSAS = GEMSTONE: Diamond - MINERAL: Quartz - ROCK: Bauxite

CALIFORNIA = GEMSTONE: Benitoite - MINERAL: Gold - FOSSIL: Saber-toothed cat - ROCK: Serpentine

COLORADO = GEMSTONE: Aquamarine - MINERAL: Rhodochrosite - FOSSIL: Stegosaurus armatus - ROCK: Yule Marble

CONNECTICUT = MINERAL: Almandine Garnet – FOSSIL: Eubrontes giganteus

DELAWARE = MINERAL: Sillimanite - FOSSIL: Belemnitella americana

FLORIDA = GEMSTONE: Moonstone - ROCK: Agatized Coral

GEORGIA = GEMSTONE: Quartz - MINERAL: Staurolite - FOSSIL: Shark teeth

HAWAII = GEMSTONE: Black Coral

IDAHO = GEMSTONE: Star Garnet - FOSSIL: Hagerman horse

ILLINOIS = MINERAL: Fluorite - FOSSIL: Tully monster - ROCK: Dolostone

INDIANA = ROCK: Salem Limestone

IOWA = ROCK: Geode

KANSAS = GEMSTONE: Jelenite (Amber)- MINERAL: Galena - ROCK: Greenhorn Limestone

KENTUCKY = GEMSTONE: Freshwater Pearl - MINERAL: Coal - FOSSIL: Brachiopods - ROCK: Kentucky Agate

LOUISIANA = GEMSTONE: Lapearlite (shell) - MINERAL: Agate - ROCK: Petrified Palmwood

MAINE = GEMSTONE: Tourmaline - FOSSIL: Pertica quadrifaria - ROCK: Granitic Pegmatite

MARYLAND = GEMSTONE: Patuxet River Stone (Agate) – FOSSIL: Murex snail

MASSACHUSETTS = GEMSTONE: Rhodonite - MINERAL: Babingtonite - FOSSIL: Dinosaur tracks - ROCK: Roxbury Puddingstone

MICHIGAN = GEMSTONE: Chlorastrolite - FOSSIL: American Mastodon - ROCK: Petoskey Stone

MINNESOTA = GEMSTONE: Lake Superior Agate

MISSISSIPPI = GEMSTONE: Opal - FOSSIL: Basilosaurus cetoides and Zygorhiza kochii - ROCK: Petrified Wood

MISSOURI = MINERAL: Galena - FOSSIL: Delocrinus missouriensis - ROCK: Mozarkite

MONTANA = GEMSTONE: Sapphire & Montana Agate - FOSSIL: Maiasaura peeblesorum

NEBRASKA = GEMSTONE: Blue Chalcedony - FOSSIL: Wooly, Columbian and Imperial mammoths - ROCK: Prairie Agate

NEVADA = GEMSTONE: Virgin Valley Opal & Turquoise - MINERAL: Silver - FOSSIL: Shonisaurus popularis – ROCK: Sandstone

NEW HAMPSHIRE = GEMSTONE: Smoky Quartz - MINERAL: Beryl - ROCK: Granite

NEW JERSEY = MINERAL: Franklinite - FOSSIL: Hadrosaurus foulkii

NEW MEXICO = GEMSTONE: Turquoise - FOSSIL: Coelophysis bauri

NEW YORK = GEMSTONE: Garnet – FOSSIL: Eurypterus remipes

NORTH CAROLINA = GEMSTONE: Emerald - MINERAL: Gold - ROCK: Granite

NORTH DAKOTA = FOSSIL: Shipworm-bored petrified wood

OHIO = GEMSTONE: Ohio Flint - FOSSIL: Isotelus maximus

OKLAHOMA = CRYSTAL: Hourglass Selenite - FOSSIL: Saurophaganax maximus - ROCK: Barite Rose

OREGON = GEMSTONE: Oregon Sunstone - MINERAL: Oregonite & Josephinite - FOSSIL: Metasequoia glyptostroboides - ROCK: Thunderegg

PENNSYLVANIA = FOSSIL: Phacops rana

RHODE ISLAND = MINERAL: Bowenite - ROCK: Cumberlandite

SOUTH CAROLINA = GEMSTONE: Amethyst - ROCK: Blue Granite

SOUTH DAKOTA = GEMSTONE: Fairburn Agate - MINERAL: Rose Quartz - FOSSIL: Triceratops horridus

TENNESSEE = GEMSTONE: Tennessee River Pearl - MINERAL: Agate - FOSSIL: Pterotrigonia thoracica - ROCK: Limestone

TEXAS = GEMSTONE: Texas Blue Topaz - MINERAL: Silver - FOSSIL: Pleurocoelus nanus - ROCK: Petrified Palmwood

UTAH = GEMSTONE: Topaz - MINERAL: Copper - FOSSIL: Allosaurus fragilis - ROCK: Coal

VERMONT = GEMSTONE: Grossular Garnet - MINERAL: Talc - FOSSIL: Beluga Whale - ROCK: Granite, Marble and Slate

VIRGINA = FOSSIL: Chesapecten jeffersonius - ROCK: Nelsonite

WASHINGTON = GEMSTONE: Petrified Wood - FOSSIL: Columbian Mammoth

WEST VIRGINIA = MINERAL: Mississippian Lithostrotionella fossil coral - FOSSIL: Jefferson's Ground Sloth - ROCK: Bituminous coal

WISCONSIN = MINERAL: Galena - FOSSIL: Calymene celebra - ROCK: Red Granite

WYOMING = GEMSTONE: Wyoming Nephrite Jade - FOSSIL: Knightia

Some states actually have official dinosaurs too!

Colorado: Stegosaurus

Maryland: Astrodon johnstoni

Missouri: Hypsibema missouriensis

New Jersey: Hadrosaurus foulkii

Texas: Pleurocoelus (1997-2009) Paluxysaurus jonesi (2009-)

Washington, D.C.: Capitalsaurus

Wyoming: Triceratops

You can read our Rocks and Minerals Localities on our sister website to learn more about what is found in your state!