Due to all the volcanic action in Hawaii, it has a fair amount of peridot.
State Gemstone: Black Coral
Black Coral was adopted as Hawaii's State Gemstone in 1987.
Useful Books & Bibliography:
- Roadside Geology of Hawaii - by Richard W. Hazlett, Donald W. Hyndman
There are no better books for roadside geologizing than the Roadside Geology series.
- Pana O`Ahu: Sacred Stones, Sacred Land - by Jan Becket (Editor), Joseph Singer (Editor), Joshep Singer (Editor)
An interesting book on Hawaii.
- 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.
- Gemstones (Smithsonian Handbooks) - by Cally Hall, Harry Taylor (Photographer)
A field guide to gemstones. Nice pictures and good, brief, well-written descriptions of over 130 varieties of gemstones.
- The Curious Lore of Precious Stones - by George Frederick Kunz
The definitive book on fascinating, traditional gem lore. Very practical.
- Gem Identification Made Easy: A Hands-On Guide to More Confident Buying & Selling New 3rd Edition - by Antoinette L. Matlins & Antonio C. Bonanno
This book is really great for knowing he latest gems, synthetics, treatments, and instruments. Easy to use.
- 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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