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Official State Fossils, Gems, Minerals
This is a list of official state fossils, minerals and gems.
State
Official 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 Stonei
mastodon
coralr
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
Galena
Red Granite
Wyoming
Knightia
Triceratops
fish
horned dinosaur
Jade (Nephrite)