OFFICIAL MINERALS, GEMSTONES, & ROCKS |
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| State | Mineral | Rock | Gemstone |
|---|---|---|---|
| Alabama | Hematite | Marble | Blue Star Quartz |
| Alaska | Gold | Nephrite | |
| Arizona | Wulfenite | Turquoise | |
| Arkansas | Quartz | Bauxite | Diamond |
| California | Gold | Serpentinite | Benitoite |
| Colorado | Rhodochrosite | Yule Marble | Aquamarine |
| Connecticut | Almandine garnet | ||
| Delaware | Sillimanite | ||
| Florida | Agatized Coral | Moonstone | |
| Georgia | Staurolite | Quartz | |
| Hawaii | Black Coral | ||
| Idaho | Star Garnet | ||
| Illinois | Fluorite | Dolostone | |
| Indiana | Salem Limestone | ||
| Iowa | Geode | ||
| Kansas | Galena | Greenhorn Limestone | Jelenite (amber) |
| Kentucky | Coal | Kentucky Agate | Freshwater Pearl |
| Louisiana | Agate | Lapearlite (Eastern Oyster Shell) | |
| Maine | Tourmaline | ||
| Maryland | Patuxent River Stone agate | ||
| Massachusetts | Babingtonite | Roxbury Puddingstone | Rhodonite |
| Michigan | Petosky Stone (fossilized coral) | Chlorastrolite | |
| Minnesota | Lake Superior Agate | ||
| Missippi | Petrified Wood | ||
| Missouri | Galena | Mozarkite | |
| Montana | Montana Agate | Sapphire | |
| Nebraska | Prairie Agate | Blue Chalcenody | |
| Nevada | Silver | Sandstone | Turquois |
| New Hampshire | Beryl | Granite | Smoky Quartz |
| New Jersey | |||
| New Mexico | Turquoise | ||
| New York | Garnet | ||
| North Carolina | Gold | Granite | Emerald |
| North Dakota | Rose Quartz | Fairburn Agate | |
| Ohio | Flint | ||
| Oklahoma | Crystal Hourglass Selenite | Barite Rose | |
| Oregon | Oregonite and Josephinite | Thunderegg | Labradorite |
| Pennsylvania | |||
| Rhode Island | Bowenite serpentine | Cumberlandite | |
| South Carolina | Blue Granite | Amethyst | |
| South Dakota | Rose Quartz | Fairburn Agate | |
| Tennessee | Agate | Limestone | Tennessee River Pearl |
| Texas | Silver | Oligocene Petrified Palmwood | Texas Blue Topaz |
| Utah | Copper | Coal | Topaz |
| Vermont | Talc | Granite | Grossular Garnet |
| Virginia | Nelsonite | ||
| Washington | Petrified Wood | ||
| West Virginia | Bituminous Coal | Mississippian Fossil Coral | |
| Wisconsin | Galena | Red Granite | |
| Wyoming | Nephrite Jade | ||