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Describes how crystals form in nature, how crystals are grown artificially, and how crystals are used in industry. Numerous color photos with text identify the various gemstones.
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Contents
What is a crystal? 6 A world of crystals 8 -- Natural beauty 10 -- On the surface 12 -- Inside crystals 14 -- Crystal color 16 -- Identification 18 -- Natural growth 20 -- Crystal habits 22 -- Extraction 24 -- Growing crystals 26 -- Crystals at wo...
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