Ch. 9: Semi-Precious Stones

• Preface & Contents
• Ch. 1: Gold
• Ch. 2: Silver
• Ch. 3: Platinum
• Ch. 4: Gemstones
• Ch. 5: Diamonds
• Ch. 6: Carbonados
• Ch. 7: Emeralds
• Ch. 8: Pyrite
• Ch. 8: Rock Crystal
• Ch. 9: Semi-Precious Stones

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• Kornitzer. Gem Trader.
• Preface & Contents
•  
• Louderback. Benitoite.
• Neptunite Description
•  

• US Geol. Surv. 1882. Gemstones, Metals.
• Ch. 3: Gemstones in 1882
•  
• Bahadur. A Handbook Of Precious Stones.
• Ch. 2: Gemstones Occurrence Mining
•  
• Louderback. Benitoite.
• Introduction and Locality
•  
• Bahadur. A Handbook Of Precious Stones.
• Ch. 25: Benitoite, Iolite, etc.
•  
• Boyle. Essay on Virtue of Gems.
• Sec. II Ch. 2: Minerals and Geography
•  

• US Geol. Surv. 1882. Gemstones, Metals.
• Bahadur. A Handbook Of Precious Stones.

Deposits Diamond Gemological Properties Gemstones Gold History Mine Mining Production USA

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