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Acanthite pseudomorphs after Argentite from Bocamina de Valencia (Mina de San Cayetano de la Valenciana), Guanajuato, Mexico

 
Acanthite pseudomorphs after Argentite from Bocamina de Valencia (Mina de San Cayetano de la Valenciana), Guanajuato, Mexico

Acanthite pseudomorphs after Argentite from Bocamina de Valencia (Mina de San Cayetano de la Valenciana), Guanajuato, Mexico

Acanthite pseudomorphs after Argentite from Bocamina de Valencia (Mina de San Cayetano de la Valenciana), Guanajuato, Mexico

DESCRIPTION:No. 41177
Mineral:Acanthite pseudomorphs after Argentite
Locality:Bocamina de Valencia (Mina de San Cayetano de la Valenciana), Guanajuato, Mexico
Description:Crude gray metallic acanthite pseudomorphs after argentite crystals with colorless calcite and quartz crystals. The metallic mineral formed as argentite (stable >173 C) and alters to acanthite <173 C maintaining the original crystal form. Ex. J. Cilen (1916-1997) #17763; ex. John Albanese (1898-1969)
Overall Size:5x4.5x3 cm
Crystals:1-3 mm
Status: For reference only
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