Mineralienatlas - Fossilienatlas
Informations
Inserted from |
Diether G., Bodensee-Nord |
Collectors Summary
| Chemical Formula | KMg3(Si3Al)O10(F,OH)2 |
| Color | braun, grau, grün, gelb, rötlichbraun |
| Streak color | weiß |
| Lustre | Glasglanz, Perlmuttglanz |
| Hardness (Mohs) | 2 - 2.5 |
| Solubility | +++ HF, warme konz. H2SO4, kochende Zitronensäure |
| Crystal System | monoklin, C2/m |
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