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Official State Fossils, Gems, Minerals and Stones

Star Quartz
StateOfficial Fossil Common Name Official Gem Official Mineral Official Rock
Alabama Basilosaurus cetoides whale Hematite Marble
Alaska Mammuthus primigenius woolly mammoth Jade Gold  
Arizona Araucarioxylon arizonicum petrified wood Turquoise Fire Agate Petrified Wood
Arkansas     Diamond Quartz Crystal Bauxite
California Smilodon californicus sabertooth cat Benitoite Native Gold Serpentine 
Colorado Stegosaurus stenops plated dinosaur Aquamarine Rhodochrosite  
Connecticut Eubrontes giganteus dinosaur track Garnet  
Delaware Belemnitella americana belemnite Sillimantite  
Florida agatized coral coral Moonstone   Agatized Coral
Georgia shark tooth shark tooth Quartz Staurolite   
Hawaii     Black coral    
Idaho Equus simplicidens horse Star Garnet    
Illinois Tullimonstrum gregarium Tully Monster Fluorite  
Indiana       Limestone
Iowa       Geode
Kansas        
Kentucky brachiopod brachiopod Freshwater Pearl Coal  
Louisiana petrified palm wood petrified palm wood Agate   Petrified Palm
Maine Pertica quadrifaria plant Tourmaline    
Maryland Ecphora gardnerae gardnerae

Astrodon johnstoni

snail

sauropod dinosaur

Patuxent River Stone    
Massachusetts dinosaur tracks dinosaur tracks Rhodonite Babingtonite Roxbury Pudding stone (Jasper)
Michigan Mamut americanum

Petoskey Stone

mastodon

coral

Chlorastrolite (aka Isle Royale greenstone)   Petosky Stone
Minnesota     Lake Superior agate    
Mississippi Basilosaurus and Zygorhiza

petrified wood

whales

petrified wood

  Petrified Wood
Missouri Delocrinus missouriensis crinoid Galena Mozarkite
Montana Maiasaura peeblesorum duckbilled dinosaur Yogo Sapphire    
Nebraska mammoth mammoth Blue Agate   Prairie Agate
Nevada Shonisaurus popularis ichthyosaur Precious: Virgin Valley black fire opal; Semiprecious: Nevada turquoise Silver Sandstone
New Hampshire     Smoky quartz Beryl Conway Granite
New Jersey Hadrosaurus foulkii duckbilled dinosaur    
New Mexico Coelophysis bauri theropod dinosaur Turquoise    
New York Eurypterus remipes sea scorpion Garnet Hematite  
North Carolina     Emerald   Granite/Unakite 
North Dakota Teredo petrified wood shipworm-bored petrified wood   Toredo Wood
Ohio Isotelus trilobite Ohio Flint    
Oklahoma Saurophaganax maximus theropod dinosaur   Barite Rose
Oregon Metasequoia conifer leaf Oregon sunstone   Thunderegg 
Pennsylvania Phacops rana trilobite   Trilobite
Rhode Island     Bowenite Cumberlandite
South Carolina     Amethyst   Blue Granite
South Dakota Triceratops horned dinosaur Fairburn agate Rose Quartz  
Tennessee Pterotrigonia thoracica bivalve Tennessee Pearl   Agate, Tennessee Limestone 
Texas Pleurocoelus

petrified palm wood

sauropod dinosaur

petrified palm wood

Texas blue topaz   Petrified Palmwood
Utah Allosaurus theropod dinosaur Topaz   Coal
Vermont Delphinapterus leucas beluga whale Grossular garnet Talc and Grossular Garnet Granite, Marble, Slate 
Virginia Chesapecten jeffersonius Pliocene, bivalve   Chesapecten jeffersonius (Fossil)
Washington Mammuthus columbi

petrified wood

mammoth

petrified wood

Petrified wood    
West Virginia fossil coral coral Silicified Mississippian fossil coral Lithostrotionella    
Wisconsin Calymene celebra Silurian, trilobite Ruby Galena Red Granite
Wyoming Knightia

Triceratops

fish

horned dinosaur

Jade (Nephrite)    

We want to keep this list up-to-date! Did your state recently name an official fossil, gem, mineral or stone not listed above? Email us and tell us about it!


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