Precious Stones by Wilbert Goodchild

• Preface & Table of Contents
• Ch. 1: Introduction & History
• Ch. 2: Modes of Origin
• Ch. 3: Physical Properties of Gem Stones
• Ch. 4: The Cutting of Gems
• Ch. 5: Imitation Gems & Artificial Production
• Ch. 6: The Diamond
• Ch. 7: Opal
• Ch. 8: Corundum
• Ch. 9: Spinel - Chrysoberyl
• Ch. 10: Calcite - Labradorite
• Ch. 11: Augite - Crocidolite
• Ch. 12: Beryl - Garnet
• Ch. 13: Olivine - Sphene
• Ch.14: Apatite - Jet
• Glossary
• Index

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Deposits Diamond Gemological Properties Gemstones Gold History Mine Mining Production USA

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