Ch. 3: Precious Gem stones in 1888

• Ch. 1: Gold, Silver in 1887
• Ch. 2: Platinum in 1888
• Ch. 3: Gemstones in 1888

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• Kunz. Gems in North Carolina.
• Ch. 6: Beryl & Spodomene
•  
• Kunz. Gems in North Carolina.
• Ch. 6: Beryl & Spodomene
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• US Geol. Surv. 1914. Gemstones, Metals.
• Ch. 3: Gemstones in 1914
•  
• US Geol. Surv. 1891. Gemstones, Metals.
• Ch. 2: Gemstones in 1891
•  
• US Geol. Surv. 1883-84. Gemstones, Metals.
• Ch. 3: Gemstones in 1883/84
•  
• US Geol. Surv. 1905. Gemstones, Metals.
• Ch. 3: Gemstones in 1905
•  
• US Geol. Surv. 1912. Gemstones, Metals.
• Ch. 2: Platinum in 1912
•  

• US Geol. Surv. 1908. Gemstones, Metals.
• US Geol. Surv. 1892. Gemstones, Metals.
• US Geol. Surv. 1913. Gemstones, Metals.

Deposits Diamond Gemological Properties Gemstones Gold History Mine Mining Production USA

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