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


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From Wikipedia, the free encyclopedia

States in the U.S. which have significant mineral deposits often create a state mineral, rock, stone or gemstone to promote interest in their natural resources. Not every state has an official state mineral, rock, stone and/or gemstone, however.

In the chart below, a year which is listed within parentheses represents the year during which that mineral, rock, stone or gemstone was officially adopted as a State symbol or emblem.


State by state listing

State Mineral Rock or Stone Gemstone
A sparkling, metallic gray chunk of hematite on a blue background.
Hematite (1967)
A chunk of pure white marble lies on a dark background.
Marble (1969)
An irregular piece of native copper on a green background.
Copper[4] (Arizona's nickname is "the Copper State")
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)
An irregularly shaped nugget of native gold ore.
Gold California's nickname is the Golden State
A rough chunk of dark green serpentine with lighter veining.
Serpentine (1965)
A rough rock showing several intense, dark blue benitoite crystals emerging from white natrolite matrix.
Benitoite (1985)
Intense, transparent, strawberry red crystals of rhodochrosite from Colorado's Sweet Home mine.
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)
A light blue piece of aquamarine cutting rough.
Aquamarine (1971)
A cluster of orange to red almandine garnet crystals.
Almandine Garnet (1977)
A 1911 postcard showing a quarrying operation in Portland Connecticut with cliffs of brownstone in the background, rail lines for loading and transporting stone, industrial buildings, rail carts, and other parts of the operation.
Connecticut's nickname is the Brownstone State
A chunk of grayish yellow moonstone which shows fracture lines and a blue glow in some portions.
Moonstone (1970)
Intersecting twinned crystals of brown staurolite forming an abstract sculptural mass.
Staurolite (1976)
A cluster of transparent, colorless quartz crystals.
Quartz (1976)
A round cabochon of very dark red garnet which displays a six pointed star effect under intense lighting.
Star garnet (1967)
A cluster of purple fluorite crystals with a few crystals of iron pyrite attached.
Fluorite (1965)
Half of a sliced geode nodule showing the hollow center lined with white and grayish druzy crystals.
Geode (1967)
A chunk of black coal.
Coal (1998)
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)
Shiny black crystals of babingtonite on whitish matrix.
Babingtonite (1971)
A rough chunk of rhodonite showing white and intense pink crystals.
Rhodonite (1979)
A polished brown pebble of petoskey stone showing the typically six-sided cellular structure from the fossilized coral.
Petoskey stone fossilized coral (1965)
Gray crystals of galena clustered on a gray matrix.
Galena (1967) Missouri's nickname is the Lead State
A slice of mozarkite with the face showing a swirling pattern of cream, pinks and yellows.
Mozarkite (1967)
A custom shield cut sapphire from Rock Creek, Montana in deep blue with a slight green undertone or zoning.
Montana Sapphire

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
Tumble polished translucent agate pebbles showing gold, red and white colors.
Prairie agate (1967)
A chunk of seam agate with the split face showing fortification banding in gray, blue and white colors.
Blue agate (1967)
An irregularly shaped specimen of native silver ore.
Silver Nevada's nickname is the Silver State
A rough chunk of sandstone with the face showing layering in shades of brown, black and white.
Sandstone (1987)
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

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[29]
A yellowish white beryl crystal.
Beryl (1985)
The Old Man of the Mountain granite formation in New Hampshire's White Mountains.
Granite (1985) New Hampshire's nickname is the Granite State
A cluster of long transparent and light brown quartz crystals.
Smoky quartz (1985)
New Jersey[30]      
New Mexico[31]    
A polished, freeform cabochon of turquoise blue with brown dots of matrix inclusions.
Turquoise (1967)
New York[32]    
A round, faceted garnet gemstone in deep red with orange undertones.
Garnet (1967)
North Carolina[33]  
The polished face of a granite slab showing an even pattern of white, greenish and black crystals.
Granite (1979)
Translucent green emerald crystals in a cream-colored matrix.
Emerald (1973)
North Dakota[34]      
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)
A sliced thunderegg with the polished face showing a water level pattern in clear, blue and white chalcedony bands.
Thunderegg (1965)
Rhode Island[39]
The face of a polished slab of bowenite serpentine with a wavy pattern in colors ranging from intense jade green to yellows.
Bowenite (1966)
Two rough chunks of cumberlandite showing reddish brown coloring with a few whitish streaks.
South Carolina[40]  
A closeup of the polished face of a slab of granite showing grains of white, bluish gray and black.
Blue granite (1969)
A cluster of light purple to violet amethyst crystals.
Amethyst (1969)
South Dakota[41]  
A group of tumble polished agates showing banding in red, orange and white with crystal interiors.
Fairburn agate (1966)
Closup view of an unpolished, gray limestone slab showing fossil shell and other inclusions.
Limestone (1979)

A round cabochon of Tennessee paint rock showing clear holding agate, white banding and a red mossy formation.
Tennessee Paint Rock Agate (1969)
An irregularly shaped specimen of native silver ore.
Precious Metal: Silver (2007)
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)
An irregular piece of native copper on a green background.
Copper (1994)
A chunk of black coal.
Coal (1991)
A terminated raw, golden topaz crystal.
Topaz (1969)
A buff-colored boulder of granite.
Granite (1992)

The white marble state capitol building in Montpelier.
Marble (1992)

An unpolished, irregular slab of gray slate.
Slate (1992)
West Virginia[48]  
A chunk of black coal.
Coal (2009)
A polished slab showing the cellular structure from the fossilized coral.
Mississippian Lithostrotionella fossil coral (1990)
Gray crystals of galena clustered on a gray matrix.
Galena (1971)
A rough chunk of granite showing grains of red, pink, white, gray and black.
Red granite (1971)

Did you know

California was the first state to designate an official State Rock. Colorado is the only state whose geological symbols reflect the national flag's colors of red (rhodochrosite), white (yule marble), and blue (aquamarine). Massachusetts also has a State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone (Granite).

See also


  1. ^ "Alabama Emblems". Alabama Emblems, Symbols and Honors. Alabama Department of Archives & History. 2001-07-12. Retrieved 2007-03-19.  
  2. ^ "State of Alaska". Alaska Symbols. State of Alaska. Retrieved 2009-11-12.  
  3. ^ "State of Arizona Secretary of State". Arizona Symbols. State of Arizona. Retrieved 2009-11-12.  
  4. ^ Blair, Gerry. 2008. Rockhounding Arizona, A Guide to 75 of the State's Best Rockhounding Sites. Giulford, Connecticut: Morris Book Publishing, LLC, p. xii. ISBN 978-0-7627-4449-7
  5. ^ "State of Arkansas Secretary of State". Arkansas Symbols. State of Arkansas. Retrieved 2009-11-12.  
  6. ^ "State of California Symbols". California Symbols. State of California. Retrieved 2009-11-12.  
  7. ^ "State of Colorado Symbols". Colorado Symbols. State of Colorado. Retrieved 2009-11-12.  
  8. ^ "State of Connecticut - Sites, Seals and Symbols". State of Connecticut. Retrieved 2009-11-12.  
  9. ^ "Delaware Facts and Symbols". State of Delaware. Retrieved 2009-11-12.  
  10. ^ "State of Florida Symbols". Florida Symbols. State of Florida. Retrieved 2009-11-12.  
  11. ^ "Georgia State Symbols". Georgia Secretary of State Archives. State of Georgia. Retrieved 2009-11-12.  
  12. ^ "Black Coral". Waikiki Aquarium. Retrieved 2009-11-12.  
  13. ^ "Idaho Symbols". State of Idaho. Retrieved 2009-11-12.  
  14. ^ "Illinois Facts - Symbols". State of Illinois. Retrieved 2009-11-12.  
  15. ^ "IHB: Emblems and Symbols". State of Indiana. Retrieved 2009-11-12.  
  16. ^ "Iowa General Assembly - Iowa State Symbols". State of Iowa. Retrieved 2009-11-12.  
  17. ^ "Kentucky State Symbols". State of Kentucky. Retrieved 2009-11-12.  
  18. ^ "Louisiana Symbols". State of Louisiana. Retrieved 2009-11-12.  
  19. ^ "Maine Symbols". State of Maine. Retrieved 2009-11-12.  
  20. ^ "Maryland Symbols". State of Maryland. Retrieved 2009-11-12.  
  21. ^ "Massachusetts Symbols". State of Massachusetts. Retrieved 2009-11-12.  
  22. ^ "Michigan's State Symbols". State of Michigan. Retrieved 2009-11-12.  
  23. ^ "Minnesota Symbols". State of Minnesota. Retrieved 2009-11-12.  
  24. ^ "Mississippi State Emblems and Symbols". State of Mississippi. Retrieved 2009-11-12.  
  25. ^ "Office of the Secretary of State, Missouri - State Symbols". State of Missouri. Retrieved 2009-11-12.  
  26. ^ "Montana Symbols". State of Montana. Retrieved 2009-11-12.  
  27. ^ "Nebraska Symbols". State of Nebraska. Retrieved 2009-11-12.  
  28. ^ "Nevada Symbols". State of Nevada. Retrieved 2009-11-12.  
  29. ^ "Fast New Hampshire Facts". State of New Hampshire. Retrieved 2009-11-12.  
  30. ^ "Official Symbols of the State of New Jersey". State of New Jersey. Retrieved 2009-11-12.  
  31. ^ "New Mexico Symbols". State of New Mexico. Retrieved 2009-11-12.  
  32. ^ "New York State Information". State of New York. Retrieved 2009-11-12.  
  33. ^ "The State Symbols". State of North Carolina. Retrieved 2009-11-12.  
  34. ^ "State Symbols". State of North Dakota. Retrieved 2009-11-12.  
  35. ^ "Ohio Symbols". State of Ohio. Retrieved 2009-11-12.  
  36. ^ "Oklahoma State Icons". State of Oklahoma. Retrieved 2009-11-12.  
  37. ^ "Oregon Symbols". State of Oregon. Retrieved 2009-11-12.  
  38. ^ "Rocks and Minerals". Pennsylvania Geological Survey. Retrieved 2009-11-12.  
  39. ^ "Facts and History". State of Rhode Island. Retrieved 2009-11-12.  
  40. ^ "South Carolina Symbols". State of South Carolina. Retrieved 2009-11-12.  
  41. ^ "South Dakota Symbols". State of South Dakota. Retrieved 2009-11-12.  
  42. ^ "Tennessee Symbols". State of Tennessee. Retrieved 2009-11-12.  
  43. ^ "Texas Symbols". State of Texas. Retrieved 2009-11-12.  
  44. ^ "Utah Symbols". State of Utah. Retrieved 2009-11-12.  
  45. ^ "Vermont Emblems". State of Vermont. Retrieved 2009-11-12.  
  46. ^ "Virginia General Assembly Capitol Classroom". State of Virginia. Retrieved 2009-11-12.  
  47. ^ "Washington Symbols". State of Washington. Retrieved 2009-11-12.  
  48. ^ "State Facts". State of West Virginia. Retrieved 2009-11-12.  
  49. ^ "Wisconsin State Symbols". State of Wisconsin. Retrieved 2009-11-12.  
  50. ^ "Wyoming Emblems". State of Wyoming. Retrieved 2009-11-12.  


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