State |
Gem or Gemstones |
Mineral |
Rock or Stone |
Alabama | Star Blue Quartz | Hematite | Marble |
Alaska | Jade | Gold | None |
Arizona | Turquoise | Fire Agate | Petrified Wood |
Arkansas | Diamond | Quartz Crystal | Bauxite |
California | Benitoite | Native Gold | Serpentine |
Colorado | Aquamarine | Rhodochrosite | None |
Connecticut | Garnet | None | None |
Delaware | None | None | Sillimanite |
Florida | Moonstone | None | Agatized Coral |
Georgia | Quartz | Staurolite | None |
Hawaii | Black Coral | None | None |
Idaho | Star Garnet | None | None |
Illinois | None | Fluorite | None |
Indiana | None | None | Limestone |
Iowa | None | None | Geode |
Kansas | None | None | None |
Kentucky | Fortification Agate w/ red, black and yellow banding | Coal | None |
Louisiana | Agate | None | Petrified Palm |
Maine | Tourmaline | None | None |
Maryland | None | None | None |
Massachusetts | Rhodonite | Babingtonite | Roxbury Pudding Stone (Jasper) |
Michigan | Chlorastrolite (aka greenstone aka Isle Royal Green Stone) | None | Petoskey Stone |
Minnesota | Lake Superior Agate | None | None |
Mississippi | None | None | Petrified Wood |
Missouri | None | Galena (Lead) | Mozarkite |
Montana | Yogo Sapphire and Agate | None | None |
Nebraska | Blue Agate | None | Prairie Agate |
Nevada | Peridot or Nevada Turquoise or Virgin Valley Black Fire Opal | Silver | Sandstone |
New Hampshire | Smokey Quartz | Beryl | Conway Granite |
New Jersey | None | None | None |
New Mexico | Turquoise | None | None |
New York | Garnet, Black Button Tourmaline, Moonstone | Hematite | None |
N Carolina | Emerald | None | Granite/Unakite |
N Dakota | None | None | Teredo Wood |
Ohio | Ohio Flint | None | None |
Oklahoma | None | None | Barite Rose |
Oregon | Sunstone (heliolite) | None | Thunderegg |
Pennsylvania | None | None | Trilobite |
Rhode Island | None | Bowenite | Cumberlandite |
S Carolina | Amethyst | None | Blue Granite |
S Dakota | Fairburn Agate | Rose Quartz | None |
Tennessee | Tennessee Pearl | None | Agate, Tennessee Limestone |
Texas | Topaz | None | Petrified Palmwood |
Utah | Topaz | None | Coal |
Vermont | None | Talc & Grossular Garnet | Granite, Marble, Slate |
Virginia | None | None | Chesapecten jeffersonius (Fossil) |
Washington | Petrified Wood | None | None |
West Virginia | Lithostrotionella | None | None |
Wisconsin | Ruby | Galena | Red Granite |
Wyoming | Jade | None | None |