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

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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
Title: Gold-quartz hydrothermal vein in matrix (Amador County, California, USA) (17161938811)
Credit: Gold-quartz hydrothermal vein in matrix (Amador County, California, USA)
Author: James St. John
Usage Terms: Creative Commons Attribution 2.0
License: CC BY 2.0
License Link: http://creativecommons.org/licenses/by/2.0
Attribution Required?: Yes

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Amador County, California

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