About gemdatID
Magnetite
Specimen ID:
B9-9UD-3N
Gem(s)
Magnetite
:
Fe
2+
Fe
3+
2
O
4
Locality
Mindat locality:
Iankaroka corundum occurrence, Ianabinda, Betroka, Anosy, Madagascar
Dimensions
weight: 5.13 carats
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Description
Size: 8.7 x 7.0 mm.
Previous data
Mineral(s)
Magnetite
Michael Gray (2)
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3,420 gemdatids have been issued as of 11th Mar 2026 6:14 am UTC
