|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Polybasite with Acanthite over Chalcopyrite
|Polybasite with Acanthite over Chalcopyrite
|Guanajuato Silver Mining District, Guanajuato, Mexico
|Platy black-metallic polybasite crystals to 4 mm with pseudo-octahedral acanthite crystals to 1 mm on yellow-metallic chalcopyrite. Polybasite is an uncommon silver mineral and crystals are difficult to obtain. Collected ca. 1980
|micro to 4 mm
|For reference only
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