AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Oregon > Pyrite with Goethite surface alteration

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Pyrite with Goethite surface alteration from Grants Pass, Josephine County, Oregon

 
Pyrite with Goethite surface alteration from Grants Pass, Josephine County, Oregon

Pyrite with Goethite surface alteration from Grants Pass, Josephine County, Oregon

Pyrite with Goethite surface alteration from Grants Pass, Josephine County, Oregon

DESCRIPTION:No. 37045
Mineral:Pyrite with Goethite surface alteration
Locality:Grants Pass, Josephine County, Oregon
Description:Three intergrown sharp striated pyrite crystals perched on brown matrix. The surfaces of the pyrite crystals have altered to brown goethite, a process that would have produced a complete pseudomorph if it continued. A worn corner shows underlying pyrite. Ex. Royal C. Gould collection
Overall Size:5x4x4 cm
Crystals:15-18 mm
Archived: For reference only

 

 

 

 

 

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