Cally Oldershaw is a mineralogist and liaison officer for the Geological Society of London and an examiner for the Gemmological Association of Great Britain.
Foreword | |
Introduction | |
Gem Formation Mining | |
The Diamond Industry | |
Diamond Cutting and Trading Centers | |
Conflict Diamonds | |
Ethical Sourcing | |
Crystal Structure | |
Optical Properties | |
Physical Properties | |
Fashioning and Cutting Gemstone | |
Cuts for Diamonds | |
Buying a Diamond | |
Buying Colored Gemstones | |
Imitation and Synthetic Gemstones | |
Gemstone Enhancement | |
History of Gems | |
Famous Diamonds | |
Caring for Gemstones and Jewelry | |
Color Key Classification | |
Gems [illustrated descriptions of varieties of gemstones grouped as:] | |
Carbon (diamond) | |
Sulfides (3 gems) | |
Oxides and Hydroxides (12 gems) | |
Halides (flurorite) | |
Carbonates (9 gems) | |
Borate (sinhalite) | |
Sulfates and Chromates (4 gems) | |
Tungstate (scheelite) | |
Phosphates (5 gems) | |
Silicates (87 gems) | |
Igneous Rock (obsidian) | |
Tektites (moldavite) | |
Synthetics and Imitations Organics (7 types) | |
Precious Metals (3 types) | |
Important Gem | |
Locations of the World | |
Glossary | |
Index | |
Useful Addresses and Acknowledgements | |
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