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Chemical Composition:
Be3Al2Si6O18
Group: -
System: Hexagonal
Family: Silicates
Hardness: 7.5 - 8
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- Individual crystals, sometimes enormous
- Hexagonal prisms
- White streak
- Other colours: grayish-white, yellowish-white,
transparent yellow,pink, green
- Light
- Transparent or translucent
- Insoluble in acids
- Fuses with difficulty
- Found in: Brazil, Czech Republic, India, Italy,
Norway, Slovakia, USA, former USSR
- Common
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