Handbook of gem identification

Front Cover
Gemological Institute of America, 1975 - Nature - 440 pages

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User Review  - billsearth - LibraryThing

The hardbound cover is sewn on upside down and backwards. Mineralogy is fine. Black and white photos in a gemology book are not my idea of adequate. Mine is the 11th edition, from 1981. Read full review

Contents

Cleavage Fracture and Hardness
7
Specific Gravity
13
Refractive Index Determination
23
Copyright

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