Palladothallite
Palladothallite is an IMA-recognized mineral species in the native element class, with the chemical formula Pd₃Tl.
It crystallizes in the tetragonal crystal system (space group I4/mmm).
Key properties: specific gravity 13.04; Metallic luster.
IMA symbol Pdt, IMA status: approved, named in 2020.
Found in heavy-mineral concentrate from orthopyroxenite cumulates, disseminated Ni-Cu-Fe sulfides, and near-surface oxidized ore of an orthopyroxenite body.
It is found associated with In complex intergrowths of Pt-Fe-alloys, tulameenite, and Pd-bearing tulameenite.
The name refers to its essential chemical components, palladium and thallium.
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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