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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 from Georgia, USA. (public display, Leadville Mining Museum, Leadville, Colorado, USA)

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).

Locality: Field's Vein, Dahlonega Mining District, Dahlonega Gold Belt, Lumpkin County, Georgia, USA
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Source Gold-bornite-quartz hydrothermal vein (Field's Vein, Dahlonega Mining District, Dahlonega Gold Belt, Lumpkin County, Georgia, USA)
Author James St. John

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/16537558623. It was reviewed on 3 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

3 May 2015

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current20:48, 3 May 2015Thumbnail for version as of 20:48, 3 May 20151,355 × 926 (1.08 MB)Natuur12 (talk | contribs)Transferred from Flickr via Flickr2Commons

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