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