AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Acanthite pseudomorphs after Argentite

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

   

Acanthite pseudomorphs after Argentite from Guanajuato Silver Mining District, Guanajuato, Mexico

 
Acanthite pseudomorphs after Argentite from Guanajuato Silver Mining District, Guanajuato, Mexico

Acanthite pseudomorphs after Argentite from Guanajuato Silver Mining District, Guanajuato, Mexico

Acanthite pseudomorphs after Argentite from Guanajuato Silver Mining District, Guanajuato, Mexico

DESCRIPTION:No. 62435
Mineral:Acanthite pseudomorphs after Argentite
Locality:Guanajuato Silver Mining District, Guanajuato, Mexico
Description:Lustrous gray-metallic acanthite pseudomorphs after pseudo-cubic argentite crystals to 5 mm. The argentite crystallized first but is stable only above 179° C. It altered to acanthite when it cooled below that temperature resulting in pseudomorphs. Ex. W. Frech (1913-1998) collection #626
Overall Size:31x18x15 mm
Crystals:micro to 5 mm pseudos
Archived: For reference only

 

 

 

 

 

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