The white topaz is the most current color.
We use it very often as substitute in the sometimes too expensive diamond.
To know more about the mineralogy of the white topaz, see mindat.org->
The Encylopedia of gems in English is still under construction. Thanks to visit the encyclopedia of gems in French.
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Topaz (white)
- Translations : Topaz, Topaas, Topaasi, Topacio, Topas, Topáz, Topazas,Topázio, Топаз, زبرجد, زبرجد هندی, トパーズ, 황옥, 黄玉, טופז
- Type localityBrazil
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
The gallery
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- TOBL1016
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- TOBL1109
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- TOBL2564
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- TOBL4055
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- TOBL4107
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- TOBL6012
