Acanthite, Stephanite, Chalcopyrite

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Acanthite with stephanite and chalcopyrite, 5 cm, from the Veta San Carlos, Fresnillo, Zacatecas, Mexico. Jeff Scovil photo.

Product details

SizeMiniature
Dimensions5.0 cm
Added on02/13/2026
Publications
  • Mineralogical Record Mineral Collections In Arizona page 51

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Mineral guide
Learn about Acanthite
, stable low-temperature Ag2S; black masses with cubic crystals argentite pseudomorphs on calcite; prized for form and notable localities.
Regional guide
Acanthite from Fresnillo
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