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Formula: Fe2+TiTa2O8
Oxide, wodginite group,
columbite supergroup,
titanium- and tantalum-
bearing mineral
Crystal System: Monoclinic
Specific gravity:
Hardness: 5½
Streak: Dark brown
Colour: Very dark brown, black
Environments
Ferrotitanowodginite occurs in complex rare-element
pegmatites in locally
tourmalinised
quartz-mica
schist of medium metamorphic grade
(HOM).
Localities
At the type locality, La Viquita pegmatite, Sierra de la Estanzuela, Chacabuco Department, San Luis Province,
Argentina, ferrotitanowodginite occurs in a replacement unit associated with
wodginite,
ferrowodginite,
titanowodginite and
tapiolite-(Fe) in yellow
muscovite and quartz
(AM 84.773-777).
At the San Elías mine, Sierra de la Estanzuela, Chacabuco Department, San Luis Province, Argentina,
ferrotitanowodginite occurs aggregated with
ferrowodginite and associated with
microlite,
tapiolite-(Fe),
cleavelandite and quartz
(AM 84.773-777).
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