About gemdatID
Sillimanite
Specimen ID:
CM-BBJ-KM
Gem(s)
Sillimanite
:
Al
2
(SiO
4
)O
Locality
Mindat locality:
India
Dimensions
weight: 6.48 carats
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Description
Size: 13.1 x 10.8 mm.
Previous data
Mineral(s)
Sillimanite
Michael Gray
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8,544 gemdatids have been issued as of 1st Jul 2025 3:33 am UTC
