About gemdatID
Grandidierite
Specimen ID:
B7-RAF-YN
Gem(s)
Grandidierite
:
(Mg,Fe
2+
)(Al,Fe
3+
)
3
(SiO
4
)(BO
3
)O
2
Locality
Mindat locality:
Tranomaro, Amboasary Sud District, Anosy, Madagascar
Dimensions
4.17mm x 2.03mm x ?mm
weight: 0.09 carats
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Mineral(s)
Grandidierite
Brian Kosnar
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8,544 gemdatids have been issued as of 4th Jul 2025 9:20 am UTC