Blue crude crystals, crystal clusters and crusts of polyarsite with yellow aegirine, colourless to white tridymite and sanidine and black hematite. FOV width: 1.7 mm. Photo: I.V. Pekov and A.V. Kasatkin. — Photo: I.V. Pekov and A.V. Kasatkin · CC BY 4.0
Polyarsite
Polyarsite is an IMA-recognized mineral species in the arsenate class, with the chemical formula Na₇CaMgCu₂(AsO₄)₄F₂Cl.
It crystallizes in the monoclinic crystal system (space group I2/m).
IMA symbol Par, IMA status: approved, named in 2019.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more P minerals or help write this entry.