File:Gold-quartz hydrothermal vein in matrix (Amador County, California, USA) (17161938811).jpg

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Gold-quartz hydrothermal vein in matrix

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Description

Gold-quartz hydrothermal vein in matrix from California, USA. (public display, Leadville Mining Museum, Leadville, Colorado, USA)

This is a gold ore sample from California's Mother Lode Gold Belt. The whitish-gray material is quartz (SiO2 - silicon dioxide). The metallic yellowish material is native gold (Au). The blackish-colored material is the vein-hosting rock.

Locality: Amador County, California, USA
Date
Source Gold-quartz hydrothermal vein in matrix (Amador County, California, USA)
Author James St. John

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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/17161938811. 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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current20:49, 3 May 2015Thumbnail for version as of 20:49, 3 May 20152,620 × 1,650 (3.65 MB)Natuur12 (talk | contribs)Transferred from Flickr via Flickr2Commons

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