Fluorarrojadite-(BaNa)

fluorarrojadite-(BaNa)

viitaniemiite

triplite

fluorapatite

Images

Formula: BaNa4CaFe13Al(PO4)11(PO3OH)F2
Phosphate
Specific gravity: 3.61 measured, 3.650 calculated
Hardness: 4½ to 5
Streak: Very pale yellow
Colour: Yellowish brown to greenish yellow
Environments

Pegmatites
Hydrothermal environments

Localities

At the type locality, the Elisabeth mine, Gemerská Poloma, Rožňava District, Košice Region, Slovakia, fluorarrojadite-(BaNa) was found on the dump of Elisabeth adit. It occurs in hydrothermal quartz veins intersecting highly fractionated, topazzinnwaldite leucogranite. Fluorarrojadite-(BaNa) is associated with fluorapatite, ‘fluordickinsonite-(BaNa)’, triplite, viitaniemiite and minor amounts of other minerals. It forms fine-grained irregular aggregates up to 4 cm x 2 cm, which consist of individual anhedral grains up to 0.01 mm in size (MM 82.863-876).

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