About gemdatID
Sillimanite
Specimen ID:
CN-AYE-55
Gem(s)
Sillimanite
:
Al
2
(SiO
4
)O
Locality
Mindat locality:
Madagascar
Dimensions
10.43mm x 9.02mm x 4.88mm
weight: 3.38 carats
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Mineral(s)
Sillimanite
Jolyon Ralph
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8,544 gemdatids have been issued as of 1st Jul 2025 10:40 am UTC