Precious Stones Guide Vol 3

Precious Stones Guide Vol 3
All About Workmen in Early South African Mines Mining of Brazilian Diamonds Through the Nineteenth Century DIAMONDS MINES: BRAZILIAN, SOUTH AFRICAN, KIMBERLEY, DEBEERS, INDIAN Life of Native Workers in Early Diamond Mine Compounds How Excavation of Blueground Yields Diamonds Condition of South African Diamond Mines in the Early Twentieth Century The Cullinan Diamond About Early Mining of River Diamonds and Melees by Germans in South Africa About Early Business Practices of DeBeers Mines and London Syndicate of Diamond Merchants About the Classification of Diamonds at Kimberley mines in South Africa About the Early Methods of Cleaving, Sawing, and Cutting Diamonds About Early Methods of Diamond Polishing Perfect Diamonds and Trade Unions in the Nineteenth Century Diamond Industry About the Rising Prices of Diamonds in the Early Twentieth Century About Platinum Diamond Mountings and Mountings Employed in Earlier Times About Oriental and Fresh-Water Pearls About the Early Value of Pearls and the Supply of Drilled Pearls About the Skins and Colors of Pearls About the Origin of the Legend and Superstition Relating Pearls and Tears The Twentieth Century Underwood Tariff on Diamonds, Pearls, and Precious Stones	About Traditional Classification of Precious and Semiprecious Stones Characteristics, Cutting, and Imitations of Rubies and Sapphires Location and Physical Characteristics of Sapphires About Star Sapphires and the Discovery of Montana Sapphires About Rubies and Sapphires in History All About Emeralds: Composition, Color, Location, and Cutting All About Aquamarine: Color, Location, and History All About Tourmaline: Composition, Color, and Mining Locations The Discovery of Alexandrite and Its Value as a Variety of Beryl Opals: Composition and Superstitions About the History and Value of Amethysts Moonstones or Felspar All About the Popular Gem Turquoise All About the Chrysolite: Peridot and Olivine Variations and Value of the Gem Commonly Called Spinel All About the History and Value of Topaz All About Garnets and American Rubies All About Zircons An Ancient Gem: All About the Lapis Lazuli About Hiddenite and Kunzite
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