About gemdatID
Sillimanite
Specimen ID:
AT-KY4-05
Gem(s)
Sillimanite
:
Al
2
(SiO
4
)O
Locality
Dimensions
12.6mm x 10.7mm
weight: 4.27 carats
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Previous data
Mineral(s)
Sillimanite
Jolyon Ralph
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8,544 gemdatids have been issued as of 1st Jul 2025 9:13 am UTC
