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Mineralati

Minerals

Cornwallite

cornwallite

Cu5(AsO4)2(OH)4

Cornwallite: Mineral information, data and localities.

Cornwallite: Mineral information, data and localities. — via www.mindat.org · Source

Overview

Cornwallite is an uncommon copper arsenate mineral with formula Cu5(AsO4)2(OH)4. It forms a series with the phosphate pseudomalachite and is a dimorph of the triclinic cornubite. It is a green monoclinic mineral which forms as radial to fibrous encrustations.

Identification characteristics

  • Mohs hardness 4.5

Scientific references

  1. Cornwallite — Wikidata. https://www.wikidata.org/wiki/Q3693802 Link
  2. Cornwallite — Wikipedia. https://en.wikipedia.org/wiki/Cornwallite Link