and Pearl have are found in Washington.
To find out exactly where you can collect minerals, you may obtain a Collecting Packet by contacting, Department of Natural Resources, Geology and Earth Resources Division, at (360) 902-1450, or by stopping by their office at 1111 Washington St. SE, Room 148, Olympia, WA. This is a free packet.
History of mining activity in Washington can be obtained by contacting the Department of Natural Resources, Geology and Earth Resources Division (360)902-1450, or Geology Library (360) 902-1472.
State Gemstone: Petrified Wood
Petrified Wood was adopted as Washington's State Gemstone in 1975. The best place to see petrified wood in Washington is the Gingko Petrified Forest State Park in Vantage, Washington.
Useful Books & Bibliography:
- Roadside Geology of Washington (Roadside Geology Series) - by David D. Alt, Donald W. Hyndman (Editor)
Washington Geology book -- There are no better books for roadside geologizing than the Roadside Geology series.
- 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.
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