Acanthite with Chalcopyrite, Pyrite after Pyrrhotite, Calcite, Quartz
specimen number:
4871041
location:
ore stockpile, Hecla Rosebud mine, Pershing Co., Nevada, USA
description:
I think an extra nice example for the species from an unusual locality. Thin prismatic metallic crystals of acanthite to 1.4 cm in length throughout this open pocket with crystallized pyrrhotite, these being replaced by pyrite. Minor calcite, quartz, and chalcopyrite present as well. This is in very good condition.
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Related by Mineral (Acanthite):
Acanthite — Germany
Origin: Himmelsfurst Mine, Freiberg, Saxony, Germany
Number: (1052332)
Size: 9.0 x 8.0 x 4.0 cm (small-cabinet)
Acanthite — China
Origin: Hongda mine, Lingqiu Co., Shanxi, China
Number: (9506832)
Size: 4.7 x 3.2 x 1.5 cm (miniature)
Acanthite — Mexico
Origin: Veta San Carlos, Proano Mine, Fresnillo, Zacatecas, Mexico
Number: (9273222)
Size: 6.0 x 4.5 x 2.5 cm (small-cabinet)

