About gemdatID
Dumortierite
Specimen ID:
DJ-XGD-W9
Gem(s)
Dumortierite
:
Al(Al
2
O)(Al
2
O)
2
(SiO
4
)
3
(BO
3
)
Locality
Mindat locality:
Madagascar
Dimensions
weight: 4.16 carats
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Description
Size: 10.1 mm.
Previous data
Mineral(s)
Dumortierite
Michael Gray
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8,544 gemdatids have been issued as of 11th Jul 2025 5:51 pm UTC
