Mineralienatlas - Fossilienatlas
Collectors Summary
| Chemical Formula | (Na15K5Ca11)(Si24Al24O96)(SO4)6Cl6 |
| Color | tintenblau / hellblau |
| Streak color | weiß |
| Lustre | Glasglanz |
| Hardness (Mohs) | 5.5 - 6 |
| Solubility | +++ Säuren |
| Crystal System | trigonal, P31c |
| Morphology | säulig-spindelförmige sowie z.T. undeutliche Kristalle; prismatisch-bipyramidal; Kristallgrößen bis über 2 cm bekannt!; Körner; derb |
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