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Mineralati

Minerals

Niedermayrite

niedermayrite

Cu4Cd(SO4)2(OH)6·4H2O

Niedermayrite: Mineral information, data and localities.

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

Overview

Niedermayrite is a rare hydrated copper cadmium sulfate hydroxide mineral with formula: Cu4Cd(SO4)2(OH)6·4H2O. It crystallizes in the monoclinic system and occurs as encrustations and well formed vitreous blue-green prismatic crystals. It has a specific gravity of 3.36. Niedermayrite was named for Gerhard Niedermayr (born 1941), an Austrian mineralogist affiliated with the Naturhistorisches Museum in Vienna, Austria. It was first described in 1998 from a mine in the Lavrion District, Attica, Greece. It is also reported from the Ophir District, Tooele County, Utah. The environment is in brecciated marble, the cadmium dominant analogue of campigliaite. In 2020, it was found in Tsumeb, Namibia.

Scientific references

  1. Niedermayrite — Wikidata. https://www.wikidata.org/wiki/Q125177 Link
  2. Niedermayrite — Wikipedia. https://en.wikipedia.org/wiki/Niedermayrite Link