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File:Gold-bornite-quartz hydrothermal vein (Field's Vein, Dahlonega Mining District, Dahlonega Gold Belt, Lumpkin County, Georgia, USA) (16537558623).jpg

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This is a gold ore sample from Georgia's Dahlonega Mining District. The whitish-gray material is quartz (SiO2 - silicon dioxide). The dark iridescent blue material is bornite (Cu5FeS4 - copper iron sulfide). The metallic yellowish material is native gold (Au).
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Gold-bornite-quartz hydrothermal vein (Field's Vein, Dahlonega Mining District, Dahlonega Gold Belt, Lumpkin County, Georgia, USA) (16537558623).jpg
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Gold-bornite-quartz hydrothermal vein (Field's Vein, Dahlonega Mining District, Dahlonega Gold Belt, Lumpkin County, Georgia, USA)
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Gold-bornite-quartz hydrothermal vein from Georgia, USA. (public display, Leadville Mining Museum, Leadville, Colorado, USA)
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Locality: Field's Vein, Dahlonega Mining District, Dahlonega Gold Belt, Lumpkin County, Georgia, USA
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File:Gold-bornite-quartz hydrothermal vein (Field's Vein, Dahlonega Mining District, Dahlonega Gold Belt, Lumpkin County, Georgia, USA) (16537558623).jpg
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Gold-bornite-quartz hydrothermal vein (Field's Vein, Dahlonega Mining District, Dahlonega Gold Belt, Lumpkin County, Georgia, USA)
James St. John
Creative Commons
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https://www.flickr.com/photos/47445767@N05/16537558623
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