Sec. III, Ch. 10: The Opal

• Introduction & Preface
• Sec. I, Ch. 1: Precious Stone or Gem Defined
• Sec. I, Ch. 2: Where Precious Stones are Found
• Sec. I, Ch. 3: Uses in Bygone Times
• Sec. I, Ch. 4: Working of Precious Stones
• Sec. I, Ch. 5: Engraving & Carving
• Sec. I, Ch. 6: Precious Stones as Objects of Commerce
• Sec. I, Ch. 7: Burning & Colouring of Precious Stones
• Sec. II, Ch. 1: Diamonds
• Sec. II, Ch. 2: African Diamonds
• Sec. II, Ch. 3: Australian Diamonds
• Sec. II, Ch. 4: Borneo Diamonds
• Sec. II, Ch. 5: Brazilian Diamonds
• Sec. II, Ch. 6: British Guiana Diamond
• Sec. II, Ch. 7: Indian Diamonds
• Sec. II, Ch. : Russian Diamonds
• Sec. II, Ch. 9: United States Diamonds
• Sec. II, Ch. 10: Coloured Diamonds
• Sec. II, Ch. 11: Bort Diamonds
• Sec. II, Ch. 12: Carbonado Diamonds
• Sec. II, Ch. 13: Value of Rough Diamonds
• Sec. III, Ch. 1: Ruby
• Sec. III, Ch. 2: Ruby Mines of Burma
• Sec. III, Ch. 3: Ruby Mines of Burma Connection
• Sec. III, Ch. 4: The Sapphire
• Sec. III, Ch. : Star Stones
• Sec. III, Ch. 6: Spinel & Balas
• Sec. III, Ch. 7: Emeralds
• Sec. III, Ch. 8: Cat's Eye, The Chrysoberyl
• Sec. III, Ch. 9: Alexandrite
• Sec. III, Ch. 10: Opals
• Sec. III, Ch. 11: Turquoise
• Sec. IV, Ch. 1: Agate
• Sec. IV, Ch. 2: Amazonite
• Sec. IV, Ch. 3: Amber
• Sec. IV, Ch. 4: Amethysts
• Sec. IV, Ch. 5: Andalusite
• Sec. IV, Ch. 6: Aquamarines or Beryl
• Sec. IV, Ch. 7: Aventurine
• Sec. IV, Ch. 8: Bloodstones
• Sec. IV, Ch. 9: Carnelian
• Sec. IV, Ch. 10: Chrysoberyl
• Sec. IV, Ch. 11: Chrysoprase
• Sec. IV, Ch. 12: Crocidolite
• Sec. IV, Ch. 13: Euclase
• Sec. IV, Ch. 14: Garnet, Carbuncle, & Cinnamon Stone
• Sec. IV, Ch. 15: Hematite
• Sec. IV, Ch. 16: Hiddenite
• Sec. IV, Ch. 17: Iolite
• Sec. IV, Ch. 18: Jade
• Sec. IV, Ch. 19: Jasper
• Sec. IV, Ch. 20: Labradorite
• Sec. IV, Ch. 21: Lapis-lazuli
• Sec. IV, Ch. 22: Malachite
• Sec. IV, Ch. 23: Moonstone, Selenite, & Sunstone
• Sec. IV, Ch. 24: Moroxite
• Sec. IV, Ch. 25: Obsidian
• Sec. IV, Ch. 26: Oriental Onyx
• Sec. IV, Ch. 27: Peridot or Chrysolite
• Sec. IV, Ch. 28: Phenakite
• Sec. IV, Ch. 29: Quartz Cat's Eye
• Sec. IV, Ch. 30: Rhodonite
• Sec. IV, Ch. 31: Rock Crystal
• Sec. IV, Ch. 32: Sphene
• Sec. IV, Ch. 33: Spodumene
• Sec. IV, Ch. 34: Topaz
• Sec. IV, Ch. 35: Tourmaline
• Sec. IV, Ch. 36: Zircon or Jargoon
• Appendix A: Discrimination of Precious Stones
• Appendix B
• Index

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Deposits Diamond Gemological Properties Gemstones Gold History Mine Mining Production USA

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