Rhodarsenide
Rhodarsenide is an IMA-recognized mineral species in the sulfide class, with the chemical formula Rh₂As.
It crystallizes in the orthorhombic crystal system. It is a member of the Barringerite structural group.
Key properties: specific gravity 11.32; Metallic luster.
IMA symbol Rda, IMA status: approved, named in 1996.
Found in fluvial placers in a river draining a chromitite-bearing ophiolite (TL). Also, eluvial.
It is found associated with Pt-Fe alloys, Ru-Os-Ir alloys, hollingworthite, irarsite, sperrylite.
The name refers to the composition, rhodium arsenide.
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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