About gemdatID
Sillimanite
Specimen ID:
AH-UTD-R5
Gem(s)
Sillimanite
:
Al
2
(SiO
4
)O
Locality
Mindat locality:
India
Dimensions
weight: 4.25 carats
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Description
Size: 10.9 mm.
Previous data
Mineral(s)
Sillimanite
Michael Gray (2)
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3,420 gemdatids have been issued as of 12th Mar 2026 12:41 pm UTC
