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Mineralati

Minerals

Jarosewichite

jarosewichite

Mn2+3Mn3+(AsO4)(OH)6

Jarosewichite: Mineral information, data and localities.

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

Overview

Jarosewichite is a rare manganese arsenate mineral with formula: Mn2+3Mn3+(AsO4)(OH)6. It was first described in Franklin, New Jersey which is its only reported occurrence. Its chemical composition and structure are similar to chlorophoenicite. This mineral is orthorhombic with 2/m2/m2/m point group. Its crystals are prismatic or barrel-shaped. The color of jarosewichite is dark red to black. It has subvitreous luster of fracture surfaces and reddish-orange streak. This mineral occurs with flinkite, franklinite, andradite and cahnite.

Identification characteristics

  • Mohs hardness 4

Scientific references

  1. Jarosewichite — Wikidata. https://www.wikidata.org/wiki/Q3807341 Link
  2. Jarosewichite — Wikipedia. https://en.wikipedia.org/wiki/Jarosewichite Link