Mineralienatlas - Fossilienatlas
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Inserted from |
Diether G., Bodensee-Nord |
Collectors Summary
| Chemical Formula | Al2O3·(SiO2)1.3-2·(H2O)2.5-3 |
| Color | blassblau, grünlichgelb, weiß, farblos seltener braun und tiefgrün |
| Streak color | weiß |
| Hardness (Mohs) | 2.00 - 3.00 |
| Solubility | +++ HCl |
| Crystal System | amorph, |
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