Isomertieite
Isomertieite is an IMA-recognized mineral species in the sulfide class, with the chemical formula Pd₁₁Sb₂As₂.
It crystallizes in the cubic crystal system (space group Fd3m). It is a member of the Isomertieite structural group.
Key properties: specific gravity 10.33.
IMA symbol Ism, IMA status: approved, named in 1973.
Found in heavy-metal concentrates from Precambrian iron-precious metal deposits (Itabira district, Brazil).
It is found associated with Arsenopalladinite, atheneite, palladseite, hematite, gold (Itabira district, Brazil); chalcopyrite, millerite, kotulskite, arsenopalladinite.
The name refers to its structural and compositional relation to mertieite-I.
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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