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Mineralati

Minerals

Roscoelite

roscoelite

K(V³⁺,Al)2(AlSi3O10)(OH)2

The mineral roscoelite was named after Henry Enfield Roscoe who first ...

The mineral roscoelite was named after Henry Enfield Roscoe who first ... — via www.pinterest.com · Source

Overview

Roscoelite is a green mineral from the mica group that contains vanadium. The chemical formula is K(V3+, Al, Mg)2AlSi3O10(OH)2. Crystals of roscoelite take on the monoclinic form, and are from the 2/m point group. The appearance is semi transparent to translucent coloured olive brown to green brown. The lustre is pearly. The mineral shows pleochroism with X showing green-brown, and Y and Z axes showing olive-green colour. The mineral was named after Henry Enfield Roscoe who first produced vanadium metal.

Identification characteristics

  • Mohs hardness 2.5

Scientific references

  1. Roscoelite — Wikidata. https://www.wikidata.org/wiki/Q2091836 Link
  2. Roscoelite — Wikipedia. https://en.wikipedia.org/wiki/Roscoelite Link