| State | Gem or Gemstones | Mineral | Rock or Stone |
|---|---|---|---|
| Alabama | Star Blue Quartz | Hematite | Marble |
| Alaska | Jade | Gold | - |
| Arizona | Turquoise | Fire Agate | Petrified Wood |
| Arkansas | Diamond | Quartz Crystal | Bauxite |
| California | Benitoite | Native Gold | Serpentine |
| Colorado | Aquamarine | Rhodochrosite | - |
| Connecticut | - | Garnet | - |
| Delaware | - | Sillimanite | - |
| Florida | Moonstone | - | Agatized Coral |
| Georgia | Quartz | Staurolite | - |
| Hawaii | Black Coral | - | - |
| Idaho | Star Garnet | - | - |
| Illinois | - | Fluorite | - |
| Indiana | - | - | Limestone |
| Iowa | - | - | Geode |
| Kansas | - | - | - |
| Kentucky | Fortification Agate w/ red, black and yellow banding | Coal | - |
| Louisiana | Agate | - | Petrified Palm |
| Maine | Tourmaline | - | - |
| Maryland | Patuxent River Stone | - | - |
| Massachusetts | Rhodonite | Babingtonite | Roxbury Pudding Stone (Jasper) |
| Michigan | Chlorastrolite (aka greenstone aka Isle Royal Green Stone) | - | Petoskey Stone |
| Minnesota | Lake Superior Agate | - | - |
| Mississippi | - | - | Petrified Wood |
| Missouri | - | Galena (Lead) | Mozarkite |
| Montana | Yogo Sapphire and Agate | - | - |
| Nebraska | Blue Agate | - | Prairie Agate |
| Nevada | Nevada Turquoise or Virgin Valley Black Fire Opal | Silver | Sandstone |
| New Hampshire | Smokey Quartz | Beryl | Conway Granite |
| New Jersey | - | - | - |
| New Mexico | Turquoise | - | - |
| New York | Garnet, Black Button Tourmaline, Moonstone | Hematite | - |
| N Carolina | Emerald | - | Granite/Unakite |
| N Dakota | - | - | Teredo Wood |
| Ohio | Ohio Flint | - | - |
| Oklahoma | - | - | Barite Rose |
| Oregon | Sunstone (heliolite) | - | Thunderegg |
| Pennsylvania | - | - | Trilobite |
| Rhode Island | - | Bowenite | Cumberlandite |
| S Carolina | Amethyst | - | Blue Granite |
| S Dakota | Fairburn Agate | Rose Quartz | - |
| Tennessee | Tennessee Pearl | - | Agate, Tennessee Limestone |
| Texas | Topaz | - | Petrified Palmwood |
| Utah | Topaz | - | Coal |
| Vermont | - | Talc & Grossular Garnet | Granite, Marble, Slate |
| Virginia | - | - | Chesapecten jeffersonius (Fossil) |
| Washington | Petrified Wood | - | - |
| West Virginia | Lithostrotionella | - | - |
| Wisconsin | Ruby | Galena | Red Granite |
| Wyoming | Jade | - | - |
- The World Almanac and Book of Facts (2005 (Paper)) - by Ken Park
- The Look-It-Up Book of the 50 States (Look-It-Up Books)
- The Scrambled States of America - by Laurie Keller [Childrens book on the US States]
- Flags (Cooper, Jason, Rourke Guide to State Symbols.) - by Jason Cooper
