Mineralienatlas - Fossilienatlas
Collectors Summary
| Chemical Formula | CaB2Si2O8 |
| Color | farblos, weiß, grau, bräunlich weiß, strohgelb |
| Streak color | weiß |
| Lustre | Glasglanz |
| Hardness (Mohs) | 7 |
| Cleavages | undeutlich nach {001} |
| Fracture | unebenen bis schwach muschelig; spröde |
| Solubility | ++ HF, +- HCl |
| Crystal System | orthorhombisch, Pnam |
| Morphology | prismatisch (ähnlich Topas) |
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