Topaz | Uses and Properties of the Mineral and Gem
Topaz A gemstone that occurs in a wide range of natural and treated colors. Author: Hobart M. King, Ph.D., GIA Graduate Gemologist Table of Contents What is Topaz? Physical Properties of Topaz What Color is Topaz? Use of Topaz as a Gemstone Topaz Treatments Radioactive Blue Topaz? Geologic Occurrence of Topaz Sources of Topaz What is […]
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