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Mineralati

Minerals

Allactite

allactite

Mn²⁺7(AsO4)2(OH)8

Allactite: Mineral information, data and localities.

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

Overview

Allactite is a rare arsenate mineral of metamorphosed manganese zinc ore deposits. It is found in Sweden and New Jersey, US. Its name originated from the Greek αλλάκτειν (allaktein) meaning "to change", referring to the strong pleochroism of the mineral.

Identification characteristics

  • Mohs hardness 4.5

Scientific references

  1. Allactite — Wikidata. https://www.wikidata.org/wiki/Q1070618 Link
  2. Allactite — Wikipedia. https://en.wikipedia.org/wiki/Allactite Link