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Formula: (Ta2/3Fe2+1/3)O2
Oxide, ixiolite group,
columbite supergroup,
tantalum-bearing mineral
Crystal System: Orthorhombic
Ixiolite-(Fe2+) was redefined in 2022, and to date (July 2025) it has been reported only from the type
locality.
Localities
The type locality is Skogsböle, Kimitoön Island, Kimitoön, Southwest Finland.
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