Acanthite from Fresnillo, Fresnillo Municipality, Zacatecas, Mexico - image 1
Photo by Jeffrey A. Scovil

Acanthite from Fresnillo, Fresnillo Municipality, Zacatecas, Mexico

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

Product details

SpeciesAcanthiteChalcopyriteStephanite
SizeMiniature
Dimensions5.0 cm
Added on02/13/2026
LocalityMexico, Zacatecas, Fresnillo
Publications
  • Mineralogical Record Mineral Collections In Arizona page 51
Current owner
AG
Anthony Gleckler
Tucson, AZ
Member since 2026

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Acanthite
Mineral guide
Learn about Acanthite
, stable low-temperature Ag2S; black masses with cubic crystals argentite pseudomorphs on calcite; prized for form and notable localities.
Acanthite
Regional guide
Acanthite from Fresnillo
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Locality guide
Fresnillo
Fresnillo, Mexico — premier silver locality with Ag-Pb-Zn epithermal veins; coveted sulfosalts like pyrargyrite, acanthite, stephanite, polybasite on calcite.