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Schlegel, Dorothy M. ListingsIf you cannot find what you want on this page, then please use our search feature to search all our listings. Click on Title to view full description
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Gem Stones of the United States: Geological Survey Bulletin 1042-G Schlegel, Dorothy M. Washington, D.C., U.S.A. United States Government Printing Office 1966 Soft Cover Very Good ; Stapled wraps, 253 pages; Second printing 1966; Pages are all securely attached with clean pages; Light brown cover with minimal shelf and edge wear; .....(Gem stones generally are divided into two categories: precious and semiprecious. A precious gem stone has beauty, durability and rarity, whereas a semiprecious gem stone has only one or two of those qualities. For example a diamond, emerald, ruby and sapphire are considered precious gems. Having said that, this specific report provides a serious, amateur gemmologist some important information available on the gem stones of the United States, and the geology of their occurrence.) Price:
4.50 USD
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