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Chemical formula
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Al 2 SiO 4 (F,OH) 2 |
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Crystalline system
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orthorhombic |
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Class
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oxides |
| Origin | Minas Gerais, Brazil |
| Size | 1.5-2.5cm |
Natural rough topaz of bluish-white color .
Topaz is an aluminosilicate that is usually found in pegmatites, rhyolite cavities and in hydrothermal veins. It forms well-developed crystals and is often used as a gem for jewelry making.
The piece you receive may differ slightly from the photo shown as the minerals are natural and no piece is identical. The size is approximate.