Sillimanite
Specimen ID: B2-BX8-EH
Sillimanite : Al2(SiO4)O
Mindat locality:
weight: 21.14 carats
Dark brown with very sharp cat’s eye.
Measurements: 17.67 x 14.98 x 8.63 mm.
Mineral(s)
3,420 gemdatids have been issued as of 12th Mar 2026 12:51 pm UTC