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Mineralati

Minerals

Andyrobertsite

andyrobertsite

KCdCu5(AsO4)4[As(OH)2O2]·2H2O

Calcioandyrobertsite: Mineral information, data and localities.

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

Overview

Andyrobertsite is a rare, complex arsenate mineral with a blue color. It is found in the Tsumeb mine in Namibia and named after Andrew C. Roberts (b. 1950), mineralogist with the Geological Survey of Canada. A Ca-rich analogue (with Ca instead of Cd) is called calcioandyrobertsite and has a more greenish tint.

Identification characteristics

  • Mohs hardness 3

Scientific references

  1. Andyrobertsite — Wikidata. https://www.wikidata.org/wiki/Q3616576 Link
  2. Andyrobertsite — Wikipedia. https://en.wikipedia.org/wiki/Andyrobertsite Link