About gemdatID
Sillimanite
Specimen ID:
AU-LUT-WD
Gem(s)
Sillimanite
:
Al
2
(SiO
4
)O
Locality
Mindat locality:
Sri Lanka
Dimensions
4.2mm x 5.7mm x ?mm
weight: 0.75 carats
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Previous data
Mineral(s)
Sillimanite
Brian Kosnar
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8,544 gemdatids have been issued as of 1st Jul 2025 10:05 am UTC
