Official State Gems of the US
| Alabama |  |
Blue Star Quartz |
| Alaska |  |
Nephrite Jade |
| Arizona |  |
Turquoise |
| Arkansas |  |
Diamond |
| California |  |
Benitoite |
| Colorado |  |
Aquamarine |
| Connecticut |  |
Garnet |
| Florida |  |
Moonstone |
| Georgia |  |
Quartz |
| Hawaii |  |
Black Coral |
| Idaho |  |
Star Garnet |
| Illinois |  |
Fluorite |
| Kentucky |  |
Fortification Agate |
| Louisianna |  |
Agate |
| Maine |  |
Tourmaline |
| Maryland | ? |
Patuxent River Stone |
| Massachusettes |  |
Rhodonite |
| Michigan |  |
Chlorastrolite |
| Minnesota | |
Lake Superior Agate |
| Montana |  |
Yogo Sapphire |
| Nebraska | |
Blue Agate |
| Nevada | |
Turquoise & Black Fire Opal |
| New Hampshie | |
Smokey Quartz |
| New Mexico | |
Turquoise |
| New York | |
Garnet, Black Button Tourmaline, Moonstone |
| North Carolina |  |
Emerald |
| Ohio |  |
Ohio Flint |
| Oregon |  |
Sunstone |
| South Carolina |  |
Amethyst |
| South Dakota | |
Fairburn Agate |
| Tennessee |  |
Tennesse Pearl |
| Texas |  |
Blue Topaz |
| Utah |  |
Topaz |
| Wisconsin |  |
Ruby |
| Wyoming | |
Nephrite Jade |