State, federal district, territory
Mineral
Rock or stone
Gemstone
Alabama [ 1] Template:Hs A sparkling, metallic gray chunk of hematite on a blue background. Hematite (1967) Template:Hs A chunk of pure white marble lies on a dark background. Marble (1969) Template:Hs A bluish gray round cabochon of quartz showing a four rayed star effect under intense lighting. Star blue quartz (1990)
Alaska [ 2] [ 3] Template:Hs An irregularly shaped nugget of native gold. Gold (1968)
Template:Hs An irregular chunk of celedon green jade. Nephrite jade (1968)
Arizona [ 4] [ 5] [ 6] [ 7] Template:Hs An irregular piece of native copper on a green background. Wulfenite (2017)
Template:Hs An uncut nodule of brown matrix with a split face showing areas of turquoise. Turquoise (1974)
Arkansas [ 8] [ 9] [ 10] Template:Hs A cluster of clear, colorless quartz crystals. Quartz (1967) Template:Hs 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) Template:Hs Star of Murfreesboro blue diamond from Arkansas Diamond (1967)
California <templatestyles src="Citation/styles.css"/>[A] [ 11] [ 12] Template:Hs An irregularly shaped nugget of native gold ore. Gold (1965); California's nickname is the Golden State Template:Hs A rough chunk of dark green serpentine with lighter veining. Serpentinite (1965) Template:Hs A rough rock showing several intense, dark blue benitoite crystals emerging from white natrolite matrix. Benitoite (1985)
Colorado <templatestyles src="Citation/styles.css"/>[B] [ 13] Template:Hs Intense, transparent, strawberry red crystals of rhodochrosite from Colorado's Sweet Home mine. Rhodochrosite (2002) Template:Hs 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) Template:Hs A light blue piece of aquamarine cutting rough. Aquamarine (1971)
Connecticut [ 14] Template:Hs A cluster of orange to red almandine garnet crystals. Almandine garnet (1977)
Delaware [ 15] [ 16] Template:Hs A long crystal of light purple sillimanite on a white background. Sillimanite (1977)
Florida <templatestyles src="Citation/styles.css"/>[C] [ 17]
Template:Hs 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) Template:Hs A chunk of grayish yellow moonstone which shows fracture lines and a blue glow in some portions. Moonstone (1970)
Georgia [ 18] Template:Hs Intersecting twinned crystals of brown staurolite forming an abstract sculptural mass. Staurolite (1976)
Template:Hs An oval cabochon of pink quartz Quartz (1976)
Hawaiʻi [ 19] [ 20]
Template:Hs Black branches of coral, along which are arranged bright yellow polyps. Black coral (1987)
Idaho [ 21]
Template:Hs A round cabochon of very dark red garnet which displays a six pointed star effect under intense lighting. Star garnet (1967)
Illinois [ 22] Template:Hs A cluster of purple fluorite crystals with a few crystals of iron pyrite attached. Fluorite (1965) Template:Hs Dolomite rock,CaMg(CO3)2 Dolostone (2022)[ 23]
Indiana [ 24]
Template:Hs A chunk of limestone showing yellowish and white banding. Salem limestone (1971)
Iowa [ 25] [ 26]
Template:Hs Keokuk geode showing the exterior shell and interior. cavity Geode (1967)
Kansas [ 27] [ 28] [ 29] Template:Hs Galena Galena (2018) Template:Hs Greenhorn Limestone Greenhorn Limestone , from which the Kansas Stone Posts were cut. (2018)[ 30] Template:Hs Jelenite (amber) Jelenite, a form of amber (2018)
Kentucky [ 31] Template:Hs A chunk of black coal. Coal (1998) Template:Hs A smooth pebble of white agate with black and green dendrite formations. Kentucky agate (2000) Template:Hs A string of white pearls arranged in a twisted pile on a white background. Freshwater pearl (1986)
Louisiana [ 32] [ 33] Template:Hs A chunk of agate in grayish and golden colors with the split face showing internal fortification banding along with a black dendritic formation. Agate (2011)
Template:Hs Louisiana state gemstone Lapearlite (Eastern oyster shell) (2011)
Maine [ 34] [ 35] [ 36]
Template:Hs Granitic pegmatite (2023)
Template:Hs Dark bluish and green or black, rod-like tourmaline crystals emerging from clear quartz holding matrix. Tourmaline (1971)
Maryland [ 37] [ 38] Template:Hs A chunk of chromite showing brown coloring with green oxide. Chromite (2025)
Template:Hs Peach reds and yellows with threadlike mossy and cell-like formations in semi-smooth tumbled agate pebbles. Patuxent River stone agate (2004)
Massachusetts <templatestyles src="Citation/styles.css"/>[D] [ 39] Template:Hs Shiny black crystals of babingtonite on whitish matrix. Babingtonite (1971) Template:Hs Photo of a gray cliffside in Roxbury showing the conglomerate material. Roxbury puddingstone (1983) Template:Hs A rough chunk of rhodonite showing white and intense pink crystals. Rhodonite (1979)
Michigan [ 40]
Template:Hs A polished brown pebble of petoskey stone showing the typically six-sided cellular structure from the fossilized coral. Petoskey stone fossilized coral (1965)Template:Hs 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 [ 41]
Template:Hs 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 [ 42] [ 43]
Template:Hs A child sitting on a broken section of a petrified wood log. Petrified wood (1976) Template:Hs Mississippi Opal (2023)
Missouri [ 44] Template:Hs Gray crystals of galena clustered on a gray matrix. Galena (1967); Missouri's nickname is the Lead State Template:Hs A slice of mozarkite with the face showing a swirling pattern of cream, pinks and yellows. Mozarkite (1967)
Montana [ 45]
Template:Hs A custom shield cut sapphire from Rock Creek, Montana in deep blue with a slight green undertone or zoning. Sapphire (1969) and
Script error: No such module "Check for unknown parameters". 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 (1969)
Nebraska [ 46]
Template:Hs Tumble polished translucent agate pebbles showing gold, red and white colors. Prairie agate (1967) Template:Hs A chunk of seam agate with the split face showing fortification banding in gray, blue and white colors. Blue chalcedony (1967)
Nevada [ 47] [ 48] Template:Hs An irregularly shaped specimen of native silver ore. Metal: Silver (1977); Nevada's nickname is the Silver State Template:Hs A rough chunk of sandstone with the face showing layering in shades of brown, black and white. Sandstone (1987) Template:Hs A freeform cabochon of black Virgin Valley wood replacement opal with red, blue and green fire showing against the dark base opal. Precious Gemstone: Virgin Valley black fire opal (1987) 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 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: Nevada turquoise (1987)
New Hampshire [ 49] Template:Hs A yellowish white beryl crystal. Beryl (1985) Template:Hs The Old Man of the Mountain granite formation in New Hampshire's White Mountains. Granite (1985); New Hampshire's nickname is the Granite State Template:Hs A cluster of transparent and light brown quartz crystals. Smoky quartz (1985)
New Jersey [ 50] Template:Hs File:Franklinite-166991.jpg Franklinite (2023)[ 51]
New Mexico [ 52]
Template:Hs A polished, freeform cabochon of turquoise blue with brown dots of matrix inclusions. Turquoise (1967)
New York [ 53]
Template:Hs A round, faceted garnet gemstone in deep red with orange undertones. Garnet (1969)
North Carolina [ 54] Template:Hs An irregularly shaped nugget of native gold. Gold (2011)
Template:Hs Translucent green emerald crystals in a cream-colored matrix. Emerald (1973)
North Dakota [ 55] [ 56]
File:Knife River Flint (Tertiary, North Dakota, USA) 8.jpg Knife River Flint (2025)
Ohio [ 57]
Template:Hs 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 [ 58] [ 59] [ 60] Template:Hs Columnar crystal habit. Crystal: Hourglass selenite (2005) Template:Hs A rough, oval desert rose formation made up of barite crystals. Barite Rose (1968)
Oregon <templatestyles src="Citation/styles.css"/>[E] [ 61] [ 62] State Twin Minerals: Template:Hs A nugget of oregonite with "josephinite" (= awaruite). Oregonite (2013) Template:Hs Awaruite is a nickel-iron alloy-bearing rock occurring as detritus in streams. This pebble/nugget weighs 13 grams. Josephinite (2013) Template:Hs A sliced thunderegg with the polished face showing a water level pattern in clear, blue and white chalcedony bands. Thunderegg (1965) Template:Hs 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 [ 63]
Rhode Island [ 64] Template:Hs 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) Template:Hs Two rough chunks of cumberlandite showing reddish brown coloring with a few whitish streaks. Cumberlandite (1966)
South Carolina [ 65]
Template:Hs A closeup of the polished face of a slab of granite showing grains of white, bluish gray and black. Blue granite (1969) Template:Hs A cluster of light purple to violet amethyst crystals. Amethyst (1969)
South Dakota [ 66] [ 67] Template:Hs Rose quartz Rose quartz (1966)
Template:Hs A group of tumble polished agates showing banding in red, orange and white with crystal interiors. Fairburn agate (1966) Black Hills Gold
Tennessee [ 68] Template:Hs A round cabochon of Tennessee paint rock showing clear holding agate, white banding and a red mossy formation. Agate (2009)Template:Hs Closup view of an unpolished, gray limestone slab showing fossil shell and other inclusions. Limestone (from 1979 to present) and formerly
Script error: No such module "Check for unknown parameters". A round cabochon of Tennessee paint rock showing clear holding agate, white banding and a red mossy formation. Tennessee agate (from 1969 until 2009) Template:Hs A string of white pearls arranged in a twisted pile on a white background. Tennessee River Pearl (1979)
Texas [ 69] Template:Hs An irregularly shaped specimen of native silver ore. Precious Metal: Silver (2007) Template:Hs 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) Template:Hs A light blue chunk of topaz cutting rough. Gemstone: Texas blue topaz (1969) 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 [ 70] Template:Hs An irregular piece of native copper on a green background. Copper (1994) Template:Hs A chunk of black coal. Coal (1991) Template:Hs A terminated raw, golden topaz crystal. Topaz (1969)
Vermont [ 71] [ 72] [ 73] Template:Hs A chunk of translucent white talc. Talc (1991) Template:Hs A buff-colored boulder of granite. Granite (1992) and
Script error: No such module "Check for unknown parameters". The white marble state capitol building in Montpelier. Marble (1992) and
Script error: No such module "Check for unknown parameters". An unpolished, irregular slab of gray slate. Slate (1992) Template:Hs A cluster of orange garnet crystals in a light gray matrix. Grossular garnet (1991)
Virginia [ 74] [ 75]
Template:Hs A speckled rock specimen Nelsonite (2016)
Washington [ 76]
Template:Hs 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 <templatestyles src="Citation/styles.css"/>[F] [ 77]
Template:Hs A chunk of black coal. Bituminous coal (2009)[ 78] Template:Hs A polished slab showing the cellular structure from the fossilized coral. Mississippian Lithostrotionella fossil coral (1990)
Wisconsin [ 79] Template:Hs Gray crystal of galena. Galena (1971) Template:Hs A rough chunk of granite showing grains of red, pink, white, gray and black. Red granite (1971)
Wyoming [ 80]
Template:Hs A freeform triangular cabochon of olive-green Wyoming nephrite jade. Wyoming nephrite jade (1967) 
USGOV.jpg){kind=link}
.jpg){kind=link}
_8.jpg){kind=link}
.jpg){kind=link}
_34_(44632240865).jpg){kind=link}
.jpg){kind=link}
