State Gemstones, Minerals and Rocks
Along with state flags and state mottos, individual states within the U.S. have often designated an official gemstone, mineral and/or rock. These official recognitions and designations often promote the state's history, natural resources, tourist sites and more. Not every state has a selection for every category. Please see the chart below for details on individual states.
| State | Gemstone | Mineral | Stone/Rock |
|---|---|---|---|
| Alabama |  Star Blue Quartz |  |  |
| Alaska |  |  | |
| Arizona |  | ||
| Arkansas |  |  |  Bauxite |
| California |  Benitoite |  |  |
| Colorado |  |  |  Yule Marble |
| Connecticut |  |  | |
| Delaware |  | ||
| Florida |  |  | |
| Georgia |  |  Staurolite | |
| Hawaii |  Black Coral | ||
| Idaho |  Star Garnet | ||
| Illinois |  | ||
| Indiana |  | ||
| Iowa |  | ||
| Kentucky |  |  Coal |  Kentucky Agate |
| Louisiana |  | ||
| Maine |  | ||
| Maryland |  Patuxent River Stone | ||
| Massachusetts |  |  Babingtonite |  Roxbury Puddingstone |
| Michigan |  Chlorastrolite |  Petoskey Stone | |
| Minnesota |  Lake Superior Agate | ||
| Mississippi |  | ||
| Missouri |  Galena |  Mozarkite | |
| Montana |  |  | |
| Nebraska |  |  Prairie Agate | |
| Nevada |   |  Sandstone | |
| New Hampshire |  |  |  Granite |
| New Mexico |  | ||
| New York |  |  | |
| North Carolina |  |  |  Granite |
| Ohio |  Ohio Flint | ||
| Oklahoma |  Hourglass Selenite Crystal |  Barite Rose | |
| Oregon |  |  Thunder Egg | |
| Rhode Island |  Bowenite |  Cumderlandite | |
| South Carolina |  |  Blue Granite | |
| South Dakota |  Fairburn Agate |  | |
| Tennessee |  Tennessee River Pearl |  |  |
| Texas |  |  Petrified Palmwood | |
| Utah |  |  |  Coal |
| Vermont |  |  Talc |  |
| Virginia |  Nelsonite | ||
| Washington |  | ||
| West Virginia |  |  Bituminous Coal | |
| Wisconsin |  Galena |  Red Granite | |
| Wyoming |  |
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