Identifying Gem Stone

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An interactive reference guide to rocks, minerals, and gemstones..

Gem Stone Identification -What kind of a stone do you have? ruby,spinel or what? How to identify gem stones crystals as diamonds, emeralds, sapphire,ruby or spinal!.The Presidium Gem Tester/Color Stone Estimator Is made under rigid quality standards. It is easy to operate and convenient to own. The light weight portable unit is .See our pictures and descriptions on picking and identifying Lake Superior agates, mineral gem stones, and various rocks along Lake Superior's beaches in Minnesota .Dr. James E. Shigley describes the means of distinguishing colorless and colored synthetic gem-quality diamonds from natural diamonds..

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