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Topaz Sky Blue

Topaz Sky Blue
  • Translations : Topaz, Topaas, Topaasi, Topacio, Topas, Topáz, Topazas,Topázio, Топаз, زبرجد, زبرجد هندی, トパーズ, 황옥, 黄玉, טופז
  • Type localityBrazil

Its blue color, close to that of the aquamarines, is obtained by irradiation.
Handled blue topazes which we market persistent irradiations and are in accordance with the requirements of the legislation. They are without any risk for the health.

To know more about the mineralogy of the Topaz Sky blue, see mindat.org ->

Gemological data

  • Chemical formula : Al2 (F, Oh)2 (SiO4)
  • Hardness (Mohs) : 8
  • Density : 3.53
  • Refractive index : 1.606 - 1.631
  • Birefingence : 0.007 - 0.010
  • Crystal system : Orthorombic
  • Group : Nesosilicate

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