Not every state has an official state mineral, rock, stone or gemstone. (Years, if listed in parentheses, are the years of the state's adoption.)

State Mineral Rock Stone Gemstone
Alabama
Hematite (1967)[1]
Marble (1969)[2]
Star Blue Quartz (1990)[3]
Alaska
Gold
Jade
Arizona
Fire Agate
Petrified wood
Turquoise
Arkansas
Quartz
Bauxite
(1967)
Diamond
California
Gold
Serpentine (1965)
Jade
Benitoite (1985)
Colorado
Rhodochrosite (2002)
Yule marble (2004)
Aquamarine (1971)
Connecticut
Garnet
Delaware
Sillimanite
Florida
Agatized Coral (1979)
Moonstone (1970)
Georgia
Staurolite (1976)
Quartz (1976)
Amethyst (1976)
Hawaii
Black coral
Idaho
Star garnet
Illinois
Fluorite (1965)
Indiana
Limestone
Iowa
Geode (1967)
Kansas
Kentucky
Coal (1998)[4]
Kentucky Agate (2000)[4]
Freshwater pearl (1986)[4]
Louisiana Agate Petrified palmwood
Maine
Tourmaline
Maryland Patuxent River Stone
Massachusetts
Babingtonite
Roxbury Puddingstone (1983)
Rhodonite
Michigan
Petoskey stone fossilized coral (1965)
Chlorastrolite
(aka Isle Royale greenstone)
Minnesota
Iron
 Lake Superior agate (1969)
Mississippi Petrified Wood (1976)
Missouri
Galena (1967)
 Mozarkite (1967)
Montana Agate Yogo Sapphire
Nebraska Blue Agate Prairie agate (1967)
Nevada
Silver
Sandstone (1987)
 Precious: Virgin Valley black fire opal
Semiprecious: Nevada turquoise
New Hampshire
Beryl (1985)
 Granite (1985)
Smoky quartz (1985)
New Jersey
New Mexico Turquoise
New York Garnet (1967)
North Carolina
Granite (1979)
Emerald (1973)[5]
North Dakota Teredo Wood
Ohio Ohio Flint
Oklahoma Rose Rock – Barite crystal
Oregon
Thunderegg (1965)
 Oregon sunstone (1987)
Pennsylvania
Rhode Island
Bowenite (1966)
Cumberlandite (1966)
South Carolina Amethyst Blue granite (1969) Amethyst (1969)
South Dakota
Rose quartz
 Fairburn agate (1966)
Tennessee Limestone (1979) Agate Tennessee Pearl (1979)
Texas Oligocene
petrified palmwood
(1969)		 Texas blue topaz (1969)
Utah
Copper (1994)[6]
 Coal (1991)[7]
Topaz (1969)[8]
Vermont
Talc
 Granite, marble and slate
(1992)
Grossular garnet
Virginia
Washington Petrified wood (1975)[9]
West Virginia Silicified Mississippian
fossil coral Lithostrotionella (1990)
Wisconsin
Galena (1971)
Red granite (1971)
Wyoming Jade (Nephrite) (1967)
This list is incomplete; you can help by expanding it.

[edit] Trivia

 Lists of miscellaneous information should be avoided. Please relocate any relevant information into appropriate sections or articles. (January 2008)
  • California was the first state to designate an official State Rock.
  • Colorado is the only state whose geological symbols are red (rhodochrosite), white (yule marble), and blue (aquamarine).
  • Massachusetts also has a state historical rock (Plymouth Rock), explorer rock (Dighton Rock), and building and monument stone (Granite)

[edit] See also

[edit] References

  1. ^ "Official Alabama Mineral". Alabama Emblems, Symbols and Honors. Alabama Department of Archives & History. 2006-04-27. http://www.archives.state.al.us/emblems/st_miner.html. Retrieved on 2007-03-19. 
  2. ^ "Alabama Rock". Alabama Emblems, Symbols and Honors. Alabama Department of Archives & History. 2001-07-12. http://www.archives.state.al.us/emblems/st_rock.html. Retrieved on 2007-03-19. 
  3. ^ "Alabama Gemstone". Alabama Emblems, Symbols and Honors. Alabama Department of Archives & History. 2001-07-12. http://www.archives.state.al.us/emblems/st_gem.html. Retrieved on 2007-03-19. 
  4. ^ a b c "Kentucky State Symbols". Kentucky Department of Libraries and Archives. 2007-03-30. http://kdla.ky.gov/resources/KYSymbols.htm. Retrieved on 2007-07-02. 
  5. ^ "Official State Symbols of North Carolina", North Carolina State Library, State of North Carolina. Retrieved on 26 January 2008. 
  6. ^ Utah State Mineral - Copper from pioneer.utah.gov "Pioneer: Utah's Online Library" page. Retrieved on 2008-09-08
  7. ^ Utah State Rock - Coal from pioneer.utah.gov "Pioneer: Utah's Online Library" page. Retrieved on 2008-09-08
  8. ^ Utah State Gem - Topaz from pioneer.uutah.gov "Pioneer: Utah's Online Library" page. Retrieved on 2008-09-08
  9. ^ "Symbols of Washington State". Washington State Legislature. http://www1.leg.wa.gov/Legislature/StateSymbols/. Retrieved on 2007-03-11. 
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