By: Roger Dedeyne and Ivo Quintens
309 pages, Tabs
The most actual and updated tables for the determination of gemstones.
This book contains 8 different tables that should lead the user to a faster and correct determination of transparant gemstones as well as opaque ornamental stones.
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I don't know how you got a book printed 26 years ago in the conditions that I received it (like new) but you do it! ABSOLUTELY AWESOME!
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