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Mineralati

Minerals

Oldhamite

oldhamite

CaS

Oldhamite Mineral Specimen For Sale

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

Overview

Oldhamite is a calcium magnesium sulfide mineral with the chemical formula (Ca,Mg)S. Ferrous iron may also be present in the mineral resulting in the chemical formula (Ca,Mg,Fe)S. It is a pale to dark brown accessory mineral in meteorites. It crystallizes in the cubic crystal system, but typically occurs as anhedral grains between other minerals.

Identification characteristics

  • Mohs hardness 4

Scientific references

  1. Oldhamite — Wikidata. https://www.wikidata.org/wiki/Q1058797 Link
  2. Oldhamite — Wikipedia. https://en.wikipedia.org/wiki/Oldhamite Link