Ferroskutterudite
Ferroskutterudite is an IMA-recognized mineral species in the sulfide class, with the chemical formula FeAs₃.
It crystallizes in the cubic crystal system (space group Im3m). It is a member of the Perovskite, Skutterudite structural group.
Key properties: Metallic luster.
IMA symbol Fskt, IMA status: approved, named in 2006.
Found in hydrothermal dolomite-calcite veins and apophyllite-anhydrite-carbonate veins in a magmatic hydrothermal Co-Ni antimonide-arsenide deposit.
It is found associated with Wurtzite, sphalerite, galena, chalcopyrite, pyrrhotite, cubanite, chalcocite.
The name refers to the high iron content and relation to skutterudite.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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