List of U.S. state minerals, rocks, stones and gemstones

Some American states have made a state mineral, rock, stone or gemstone Not every state has an official state mineral, rock, stone and/or gemstone, however.

In the chart below, the year in parentheses shows when each mineral, rock, stone, or gemstone became an official state symbol or emblem.

State by state listing
 State Mineral Rock or Stone Gemstone Alabama center|thumb|100px|alt=A sparkling, metallic gray chunk of hematite on a blue background. | Hematite (1967) center|thumb|100px|alt=A chunk of pure white marble lies on a dark background. | Marble (1969) center|thumb|100px|alt=A bluish gray round cabochon of quartz showing a four rayed star effect under intense lighting. | Star Blue Quartz (1990) Alaska center|thumb|100px|alt=An irregularly shaped nugget of native gold. | Gold   center|thumb|100px|alt=An irregular chunk of celedon green jade. | Nephrite Jade Arizona center|thumb|100px|alt=An irregular piece of native copper on a green background. | CopperBlair, Gerry. 2008. Rockhounding Arizona, A Guide to 75 of the State's Best Rockhounding Sites. Giulford, Connecticut: Morris Book Publishing, LLC, p. xii.  (Arizona's nickname is "the Copper State")   center|thumb|100px|alt=A rough nodule of turquoise in brown matrix with a split face showing areas of intense turquoise blue. | Turquoise Arkansas center|thumb|100px|alt=A cluster of clear, colorless quartz crystals. | Quartz center|thumb|100px|alt=A slab of bauxite displaying brown orbicular formations which are approximately the size of the one cent coin which lies on top of the slab. | Bauxite (1967) center|thumb|100px|alt=Several white diamonds with brilliant cuts lie scattered across a white background. | Diamond California center|thumb|100px|alt=An irregularly shaped nugget of native gold ore. | Gold California's nickname is the Golden State center|thumb|100px|alt=A rough chunk of dark green serpentine with lighter veining. | Serpentine (1965) center|thumb|100px|alt=A rough rock showing several intense, dark blue benitoite crystals emerging from white natrolite matrix. | Benitoite  (1985) Colorado center|thumb|100px|alt=Intense, transparent, strawberry red crystals of rhodochrosite from Colorado's Sweet Home mine. | Rhodochrosite (2002) center|thumb|100px|alt=Large blocks of partially worked white marble lie on the ground at Colorado's Marble Mill site with the National Historical marker in the background. | Yule marble (2004) center|thumb|100px|alt=A light blue piece of aquamarine cutting rough. | Aquamarine (1971) Connecticut center|thumb|100px|alt=A cluster of orange to red almandine garnet crystals. | Almandine Garnet (1977)    Delaware center|thumb|100px|alt=A long crystal of light purple sillimanite on a white background. | Sillimanite     Florida   center|thumb|100px|alt=A nodule of gray fossilized coral which has been sliced in half with the halves lying opposite each other and showing the hollow center. | Agatized Coral (1979) center|thumb|100px|alt=A chunk of grayish yellow moonstone which shows fracture lines and a blue glow in some portions. | Moonstone (1970) Georgia center|thumb|100px|alt=Intersecting twinned crystals of brown staurolite forming an abstract sculptural mass. | Staurolite (1976)   center|thumb|100px|alt=An oval cabochon of pink quartz| Quartz (1976) Hawaiʻi     center|thumb|100px|alt=Black branches of coral, along which are arranged bright yellow polyps. | Black coral   Idaho     center|thumb|100px|alt=A round cabochon of very dark red garnet which displays a six pointed star effect under intense lighting. | Star garnet (1967) Illinois center|100px|thumb|alt=A cluster of purple fluorite crystals with a few crystals of iron pyrite attached. | Fluorite (1965)     Indiana   center|100px|thumb|alt=A chunk of limestone showing yellowish and white banding. | Salem Limestone (1971)   Iowa   center|thumb|100px|alt=Half of a sliced geode nodule showing the hollow center lined with white and grayish druzy crystals. | quartz Geode (1967)   Kansas       Kentucky center|thumb|100px|alt=A chunk of black coal. | Coal (1998) center|thumb|100px|alt=A smooth pebble of white agate with black and green dendrite formations. | Kentucky Agate (2000) center|thumb|100px|alt=A string of white pearls arranged in a twisted pile on a white background. | Freshwater pearl (1986) Louisiana     center|thumb|100px|alt=A chunk of agate in grayish and golden colors with the split face showing internal fortification banding along with a black dendritic formation. | Agate (1976) Maine     center|thumb|100px|alt=Dark bluish and green or black, rod-like tourmaline crystals emerging from clear quartz holding matrix. | Tourmaline Maryland     center|thumb|100px|alt=Peach reds and yellows with threadlike mossy and cell-like formations in semi-smooth tumbled agate pebbles. | Patuxent River Stone agate (2004) Massachusetts center|thumb|100px|alt=Shiny black crystals of babingtonite on whitish matrix. | Babingtonite (1971)  center|thumb|100px|alt=A rough chunk of rhodonite showing white and intense pink crystals. | Rhodonite (1979) Michigan   thumb|100px|center|alt=A polished brown pebble of petoskey stone showing the typically six-sided cellular structure from the fossilized coral. |Petoskey stone fossilized coral (1965) center|thumb|100px|alt=A polished cabochon of green pumpellyite showing the desirable chatoyant, cell-like structure found in the Michigan material. | Chlorastrolite (aka Isle Royale greenstone 1972) Minnesota     center|thumb|100px|alt=An oval cabochon of Lake Superior agate which displays the typical tight fortification banding in shades of reds, yellows and white. |Lake Superior agate (1969) Mississippi   center|thumb|100px|alt=A sliced section of a petrified wood log showing exterior fossilized bark and black, white, red and yellow agate in the interior. | Petrified wood (1976)   Missouri  center|thumb|100px|alt=A slice of mozarkite with the face showing a swirling pattern of cream, pinks and yellows. | Mozarkite (1967)   Montana     center|thumb|100px|alt=A custom shield cut sapphire from Rock Creek, Montana in deep blue with a slight green undertone or zoning. | Montana Sapphireandcenter|thumb|100px|alt=A cloudy translucent white polished shield-shaped cabochon of Montana moss agate with puffy black dendrites arranged around a central area of golden fortifications. | Montana Agate Nebraska      center|thumb|100px|alt=Tumble polished translucent agate pebbles showing gold, red and white colors. | Prairie agate (1967) center|thumb|100px|alt=A chunk of seam agate with the split face showing fortification banding in gray, blue and white colors. | Blue agate (1967) Nevada center|thumb|100px|alt=An irregularly shaped specimen of native silver ore. | Silver Nevada's nickname is the Silver State center|thumb|100px|alt=A rough chunk of sandstone with the face showing layering in shades of brown, black and white. | Sandstone (1987) center|thumb|100px|alt=A freeform cabochon of black Virgin Valley wood replacement opal with red, blue and green fire showing against the dark base opal. | Precious Gemstone: Black fire opal center|thumb|100px|alt=Three rough chunks of raw turquoise in brown matrix are at the top of the picture, below which are a range of thirteen finished cabochons showing showing various colors ranging from green to light turquoise blue, and a range of spiderweb matrix ranging from none to light yellow to deep brown. | Semiprecious Gemstone: Turquoise New Hampshire center|thumb|100px|alt=A yellowish white beryl crystal. | Beryl (1985) center|thumb|100px|alt=The Old Man of the Mountain granite formation in New Hampshire's White Mountains. | Granite (1985) New Hampshire's nickname is the Granite State center|thumb|100px|alt=A cluster of transparent and light brown quartz crystals. | Smoky quartz (1985) New Jersey       New Mexico     center|thumb|alt=A polished, freeform cabochon of turquoise blue with brown dots of matrix inclusions. |100px| Turquoise (1967) New York     center|thumb|100px|alt=A round, faceted garnet gemstone in deep red with orange undertones. | Garnet (1967) North Carolina center|thumb|100px|alt=An irregularly shaped nugget of native gold. | Gold (2011) center|thumb|100px|alt=The polished face of a granite slab showing an even pattern of white, greenish and black crystals. | Granite (1979) center|thumb|100px|alt=Translucent green emerald crystals in a cream-colored matrix. | Emerald (1973) North Dakota       Ohio     center|thumb|100px|alt=A freeform cabochon of Ohio flint with a pattern of cream and ochre bands and a bluish black pattern at one end. | Ohio flint (1965) Oklahoma   center|thumb|100px|alt=A rough, oval desert rose formation made up of barite crystals. | Rose Rock (Barite)   Oregon   center|thumb|100px|alt=A sliced thunderegg with the polished face showing a water level pattern in clear, blue and white chalcedony bands. | Thunderegg agate (1965) center|thumb|100px|alt=Four faceted gemstones in various cuts showing some of the Oregon labradorite colors, including dichroic red green, red and yellow bicolor, clear with copper shiller streaking, and teal blue-green. | Oregon sunstone labradorite (1987) Pennsylvania       Rhode Island center|thumb|100px|alt=The face of a polished slab of bowenite serpentine with a wavy pattern in colors ranging from intense jade green to yellows. | Bowenite serpentine (1966) center|thumb|100px|alt=Two rough chunks of cumberlandite showing reddish brown coloring with a few whitish streaks. | Cumberlandite (1966)   South Carolina   center|thumb|100px|alt=A closeup of the polished face of a slab of granite showing grains of white, bluish gray and black. | Blue granite (1969) center|thumb|100px|alt=A cluster of light purple to violet amethyst crystals. | Amethyst (1969) South Dakota    center|thumb|100px|alt=A group of tumble polished agates showing banding in red, orange and white with crystal interiors. | Fairburn agate (1966) Tennessee   center|thumb|100px|alt=Closup view of an unpolished, gray limestone slab showing fossil shell and other inclusions. | Limestone (1979)andcenter|thumb|100px|alt=A round cabochon of Tennessee paint rock showing clear holding agate, white banding and a red mossy formation. |Tennessee Paint Rock Agate (1969) center|thumb|100px|alt=A string of white pearls arranged in a twisted pile on a white background. | Tennessee River Pearl (1979) Texas center|thumb|100px|alt=An irregularly shaped specimen of native silver ore. | Precious Metal: Silver (2007) center|thumb|100px|alt=An oval palmwood cabochon in a buff color with dark dots formed when sclerenchyma structures in the wood was replaced by chalcedony. | Oligocene petrified palmwood (1969) center|thumb|100px|alt=A light blue chunk of topaz cutting rough. | Gemstone: Texas blue topaz (1969) center|thumb|100px|alt=A line drawing showing the five-pointed star feature in the pavilion of the Lone Star gemstone cut. | Gem Cut: "Lone Star Cut" (1977) Utah center|thumb|100px|alt=An irregular piece of native copper on a green background. | Copper (1994) center|thumb|100px|alt=A chunk of black coal. | Coal (1991) center|thumb|100px|alt=A terminated raw, golden topaz crystal. | Topaz (1969) Vermont center|thumb|100px|alt=A chunk of translucent white talc. | Talc center|thumb|100px|alt=A buff-colored boulder of granite. | Granite (1992) andcenter|thumb|100px|alt=The white marble state capitol building in Montpelier. | Marble (1992) andcenter|thumb|100px|alt=An unpolished, irregular slab of gray slate. | Slate (1992)  Virginia       Washington     center|thumb|100px|alt=A sliced section of a petrified wood log showing exterior fossilized bark and black, white, red and yellow agate in the interior. | Petrified wood (1975) West Virginia   center|thumb|100px|alt=A chunk of black coal. | Bituminous Coal (2009) center|thumb|100px|alt=A polished slab showing the cellular structure from the fossilized coral. | Mississippian Lithostrotionella fossil coral (1990) Wisconsin  center|thumb|100px|alt=A rough chunk of granite showing grains of red, pink, white, gray and black. | Red granite (1971)   Wyoming     center|thumb|100px|alt=A freeform triangular cabochon of olive-green Wyoming nephrite jade. | Wyoming Nephrite Jade (1967)

 References 

Minerals, Rocks, Stones And Gemstones
Category:Gemstones
Category:Minerals
Category:Geology of the United States