Ch. 8: Cyanite, Epidote, Tourmaline ... Pearls

• Contents, Preface, & Intro
• Ch. 1: Gem Mining
• Ch. 2: Diamonds
• Ch. 3: Corundum Gems
• Ch. 4: Pegmatitic Dikes
• Ch. 5: Quartz & Opal
• Ch. 6: Beryl & Spodomene
• Ch. 7: Garnet ... Octahedeite
• Ch. 8: Cyanite ... Pearls
• Publications

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