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Brazilianite

  • Translations : Brazilianiet, Brasilianit, Brasilianite, Brazilianita ,Бразилианит, 磷鋁鈉石
  • Etymology : From the name of its discovery country in 1945, Brazil.
  • Discovery: 1945 by Frederick Harvey Pough and Edward Porter Henderson

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

Gemological data

  • Chemical formula : NaAl3(PO4)2(OH)4
  • Hardness (Mohs) : 5.5
  • Density : 2.98 - 2.99
  • Refractive index : nα = 1.602 nβ = 1.609 nγ = 1.621 - 1.623
  • Birefingence : 0.018 - 0.021
  • Crystal system : Monoclinic
  • Group : Phosphates

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