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Practical Gemmology Handbook
Practical Gemmology Handbook - Manuale di Gemmologia Gem-A
in lingua Inglese!
Pagamenti sicuri al 100%
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The most recent edition of Gem-A's practical gemmology handbook, now printed in colour.
It includes detailed information about all materials covered in the course, including expected tests results, inclusion photographs for natural and synthetic stones, and other useful gemmology tips.
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