Gemology
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The Gemology Project is a non-profit gemstone and gem science database for anyone interested in gemstones and gemology.
Front Matter
1: Introduction to Gemology
2: Origins of Minerals
3: Origin Determination
4: The Chemistry of Gemstones
5: Crystallography
6: Cleavage
7: Optical Properties of Gemstones
8: Hardness
9: Specific Gravity
10: Basic Math for Gemology
11: Equipment used to Identify Gemstones
12: Inclusions
13: Gemstone Treatments and Enhancements
14: Synthetic Gemstones
15: Visual Optics
16: Gemstones
17: Lapidary Arts
Back Matter