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Bustamite

Bustamite
  • Translations : Bustamit, Buchstamit, Bustamita, Buchstamita, バスタマイト, Бустамит, 钙蔷薇辉石
  • Synonym : Buchstamite
  • Etymology : Dedicated to A. BUSTAMENTE, the Mexican who sent the species to the National Museum National of Natural History in Paris.
  • Discovery: 1882 by A. BUSTAMENTE
  • Comment : The Bustamite is a collection stone, often carved in cabochon, and confused with the Rodochrosite

The Bustamite is a collectior stone, often carved in cabochon, and confused with the Rodochrosite.

It is very rare to find a bustamite over 2ct.

To learn more about the mineralogy of the bustamite, see Mindat.org

Gemological data

  • Chemical formula : CaMn2+(Si2O6)
  • Hardness (Mohs) : 5.5 - 6.5
  • Density : 3.32 - 3.43
  • Refractive index : nα = 1.640 - 1.695, nβ = 1.651 - 1.708, nγ = 1.653 - 1.710
  • Birefingence : 0.013 - 0.015
  • Crystal system : Triclinic
  • Group : Wollastonite
  • Mineralogical Class : Inosilicates

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