Mineralienatlas - Fossilienatlas
Collectors Summary
Chemical Formula | Ca4[Mg8Fe3+2Ti2]O4[Si6Al6O36] |
Color | braunrot, schwarz |
Streak color | rotbraun |
Hardness (Mohs) | 5.00 - 6.00 |
Solubility | ++ konz. HCl, + verdünnte HCl |
Crystal System | triklin, P1 |