The little crystal is 34mm and the big one 50mm.
|Chemical formula :||Fe3Al2[SiO4]3|
|Color :||Pink, red, brownred, black.|
|Crystal form :||Cubic. Usually rombdodecaedric or ikosatetraedric crystals.|
|Habitat :||Occurs in highly metamorphic rocks, as granulite and gneiss. In aluminum rich schist it's possible for all iron to enter the almadine.|
| To silicate index.
|| Mineral group index.
If you have some questions, suggestions or comments you are welcome to write me a line or two.