Mineralienatlas - Fossilienatlas
Collectors Summary
| Chemical Formula | Na(NaCa)Mg5Si8O22F2 |
| Color | Brown bis bräunlich-rot, rose-rot, gelb, graubraun, auch hell-bis dunkelgrün, blaugrün |
| Streak color | weiß |
| Lustre | Glasglanz |
| Hardness (Mohs) | 5.00 - 6.00 |
| Cleavages | vollkommen (110) |
| Fracture | splittrig |
| Crystal System | monoklin, C2/m |
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