Gemstones Found in Wyoming

Agate (including Moss Agate), Jade, Ruby, Jasper, Bloodstone and Star Sapphire have all been found in Wyoming.

Wyoming State Gemstones

State Gemstone: Jade
Jade (Nephrite) was adopted as Wyoming's State Gemstone on January 25, 1967.

Useful Books & Bibliography:

Wyoming:
• Roadside Geology of Wyoming (Roadside Geology Series) - by David D. Alt, Donald W. Hyndman
  Wyoming Geology book -- There are no better books for roadside geologizing than the Roadside Geology series.

• Yellowstone Ecology: A Road Guide - by Sharon Eversman, Mary Carr (Contributor), David Alt (Editor)
  A guide to what can be seen from a car passing through Yellowstone and Grand Teton national parks and adjacent regions of Wyoming, Montana, and Idaho.

  Gemstone Related:

• Field Collecting Gemstones and Minerals - by John Sinkankas
  Probably the best general description written for the layperson about how, where, and why gem and mineral deposits form.

• The Curious Lore of Precious Stones - by George Frederick Kunz
  The definitive book on fascinating, traditional gem lore. Very practical.

• Gemstone Buying Guide: A Guide to Buying - by Renee Newman
  Very nice gemstone identification book.

• Simon and Schuster's Guide to Gems and Precious Stones - by C. Ciprianai, Kennie Lyman (Editor), Alessando Borelli
  This book is one inch thick and every facing page has a full colored photo of gems or precious stones. Hardness, weights, cuts, refractions, and value of color are given for each gem.

  Thanks to Amazon.com for fast, efficient, and reliable book processing