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Gold extraction - Wikipedia
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Serious issues plague the jewelry industry. Understand the human and environmental costs of irresponsible mining for diamonds, gold, and colored gemstones.
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process of gold mining to jewelry – Grinding Mill China
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Gold Mining Process / How is Gold Mined? / CNN - YouTube
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Gold Smelting - GoldBullion
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Environmental article: Gold Mining and Processing -- The High Cost of Gold Jewelry
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Gold processing | Britannica
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How Gold Is Made The Mining and Refinement Process Basics
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