Precious Stones Guide Vol 2

Precious Stones Guide Vol 2
Formation of Precious Stones and Gems Igneous and sedimentary rock - The differences and geological positions Physical Characteristics of Precious Stones: Weight and Molecular Action Physical Characteristics of Precious Stones: Optical Properties Physical Characteristics of Precious Stones: Electrical Properties Outward Characteristics of Precious Stones: Transparency Outward Characteristics of Precious Stones: Lustre Action of Light and Heat Upon Precious Stones Historical Importance of Precious Gem Stones Medical and Astrological Mineralogy of Precious Gem Stones Zodiac Signs and Precious Gem Stones Historical Writings of Precious Gem Stones Classification of Precious Gem Stones by Chemical Composition Diamond Mines of India Diamond Mines of South Aftrica About the Cutting and Polishing of Diamonds Throughout History Diamond Mines of Brazil About the Proportions and Shapes of Well Cut Diamonds Weight and Value of Diamonds Table of Diamond Values Composition of Diamonds The Diamonds of Aurengzebe Celebrated Indian Diamonds: Diamond of the Rajah of Mattan and The Nizam The Regent Diamond Famous Diamonds: The Empress Eugenie and The Sancy Famous Brazilian Diamonds The Crown Jewels of England: The Koh-i-noor Famous Russian Diamonds The Pigott and the Nassac Famous Diamonds Worldwide The Importance of Clay- The Element of Alumina Crystallized Alumina Minerals: Corundum The True Ruby- The Oriental Ruby The Spinel Ruby and Balas Ruby Famous and Celebrated Rubies Engraving Rubies The Sapphire- Oriental, Brazilian, Water, and Puy Ancient Engraved Sapphires The Topaz- Occidental and Oriental Ancient Engravings on Topaz The Amethyst- Oriental The Emerald: Form and Origin	The Beryl and the Aquamarine Engraving the Aquamarine and Emerald Mineralogy and Location of Cymophane The Turquoise- Oriental and Occidental Rare Engravings Upon the Turquoise First Class Precious Stones: Quartz- Physical Characteristics and Location First Class Precious Stones: Quartz- As Art First Class Precious Stones: Quartz- Colored Varieties Quartz Variations: Occidental Amethyst, Water Sapphire, Iris, Adventurine Agate and its Varieties Physical Characteristics and Composition of Jaspers Engraving Agates Physical Characteristics and Composition of Zircons Composition and Use of Garnets The Peridote- Discovery and Composition Physical Characteristics and Locations of Jade Composition of Tourmalines Location and Characteristics of Labradorite Composition and Use Lapis-Lazuli Malachite and Hematite Pearls- Formation and Valued Qualities History and Mythology of Pearls Famous and Celebrated Pearls Table of Pricing Pearls Physical Characteristics and Commerce of Coral Amber- History and Value Physical Characteristics and Location of Jet The Boron Diamond Historical Attempts of Diamond Reproduction Methods of Creation of Precious Stones First Method of Artificial Production of Gem Stones Second Method of Artificial Production of Precious Stones Third Method of Artificial Production of Precious Stones False Precious Stones: Natural False Precious Stones: Semi-Stones or Doublets False Precious Stones: Artificial Artificial Coloring of Hard Stones Imitation Pearl and Coral Diamond Cutting: Forms Diamond Cutting: Splitting, Cutting, and Polishing The Cutting and Mounting of Precious Stones Engraving Precious Stones
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