A great diversity of gemstones are produced in many parts of the United States. Many of these mines are open to the public and you can pay a fee to prospect.
Gems Made in the U.S.A. - The New York Times
American Gemstones
Rockhound Ridge Gem Mine –
Sunstone - The gemstone with the aventurescent surprise!
Uncovering The Mysteries Of Wood Opal: The Unique Gemstone
Rock stars: America's best places to search for hidden gems
The Best Hidden Gems in Every State
Johnson's Washington, Oregon & Idaho
Legacy Between Us Bracelet with Colombian Emeralds and Diamonds in