Sillimanite
Specimen ID: AY-HX4-4E
Sillimanite : Al2(SiO4)O
Mindat locality:
weight: 17.27 carats
Sharp eye on dark brownish grey body color.
Measurements: 14.25 x 14.05 x 9.94 mm.
Mineral(s)
8,544 gemdatids have been issued as of 1st Jul 2025 9:39 am UTC