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)
|
|
|
