Mineralienatlas - Fossilienatlas
Informations
Inserted from |
Diether G., Bodensee-Nord |
Collectors Summary
Chemical Formula | (Mn,Fe2+)16Si12As3+3O36(OH)17 |
Color | braun |
Streak color | hellbraun |
Hardness (Mohs) | 5 |
Solubility | +++ (HF-H2SO4) |
Crystal System | monoklin, C2/m |