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Mineralati

Minerals

Adelite

adelite

CaMgAsO4(OH)

Adelite Mineral Specimen For Sale

Adelite Mineral Specimen For Sale — via www.dakotamatrix.com · Source

Overview

The rare mineral adelite, is a calcium, magnesium, arsenate with chemical formula CaMgAsO4OH. It forms a solid solution series with the vanadium-bearing mineral gottlobite. Various transition metals substitute for magnesium and lead replaces calcium leading to a variety of similar minerals in the adelite–duftite group. Adelite forms variably colored (blue, green, yellow and grey) crystals in the orthorhombic crystal system. The form is typically massive. It has a Mohs hardness rating of 5 and a specific gravity of 3.73 to 3.79. It was first described in 1891 from Värmland, Sweden. Its name comes from the Greek word for indistinct.

Identification characteristics

  • Mohs hardness 5

Scientific references

  1. Adelite — Wikidata. https://www.wikidata.org/wiki/Q355210 Link
  2. Adelite — Wikipedia. https://en.wikipedia.org/wiki/Adelite Link