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Mineralati

Minerals

Parnauite

parnauite

Cu9(AsO4)2(SO4)(OH)10 * 7H2O

Parnauite: Mineral information, data and localities.

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

Overview

Parnauite is a very rare secondary copper arsenate–sulfate mineral. It forms near the Earth's surface in oxidized zones of various copper deposits. These copper minerals are altered by oxygen-rich water and new minerals grow as a thin coatings or small crystal clusters. Parnauite is typically blue-green to green and commonly occurs as tiny bladed crystals in fan-shaped sprays or rosettes. It may also appear as scaly crusts or crystal-like surface films.

Scientific references

  1. Parnauite — Wikidata. https://www.wikidata.org/wiki/Q3896314 Link
  2. Parnauite — Wikipedia. https://en.wikipedia.org/wiki/Parnauite Link