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Mineralati

Minerals

Polybasite

polybasite

[Ag9CuS4][(Ag,Cu)6(Sb,As)2S7]

Polybasite mineral information and data

Polybasite mineral information and data — via www.dakotamatrix.com · Source

Overview

Polybasite is a sulfosalt mineral of silver, copper, antimony and arsenic. Its chemical formula is [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]. It forms black monoclinic crystals (thin, tabular, with six corners) which can show dark red internal reflections. It has a Mohs hardness of 2.5 to 3. It is found worldwide and is an ore of silver. The name comes from the number of base metals in the mineral.

Scientific references

  1. Polybasite — Wikidata. https://www.wikidata.org/wiki/Q415785 Link
  2. Polybasite — Wikipedia. https://en.wikipedia.org/wiki/Polybasite Link