Synopsis
Gems: Notes and Extracts offers a practical overview of how gems are classified, valued, and understood.
This edition introduces the science behind mineralogy and geology, and explains how stones are grouped, named, and tested. It emphasizes real-world techniques for evaluating gems, from hardness to brightness and color, with clear examples that help readers recognize authentic stones.
The book frames gem knowledge in accessible terms, tracing historic classifications and the steps modern science uses to identify and compare stones. You’ll see how mineralogical groups, crystal forms, and natural composition influence a gem’s value and appearance. The text also surveys common varieties, from diamond and ruby to jargoon and jade, and explains terminology used by gem traders and lapidaries.- Learn how gems are categorized into crystalline and amorphous types, and what that means for value and handling.
- Discover how hardness, specific gravity, and cleavage help identify stones and prevent misidentification.
- Understand color, brightness, and transparency as they relate to light and refraction in gems.
- See examples of typical gems, their characteristics, and practical notes on testing and appraisal.
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Gems: Notes and Extracts (Classic Reprint)
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Gems: Notes and Extracts (Classic Reprint)
Seller: PBShop.store UK, Fairford, GLOS, United Kingdom
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HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9780266482314
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