Ericlaxmanite
Ericlaxmanite is an IMA-recognized mineral species in the arsenate class, with the chemical formula Cu₄O(AsO₄)₂.
It crystallizes in the triclinic crystal system (space group P-1).
Key properties: Mohs hardness 3.5; specific gravity 5.036; Light green streak; Vitreous luster; optically biaxial.
IMA symbol Elx, IMA status: approved, named in 2013.
Occurs as complex incrustations on the surface of basalt scoria or in open pockets. Deposited directly from volcanic gas or as the result of gas-rock interactions at temperatures > 380 flC.
It is found associated with Kozyrevskite, urusovite, lammerite, lammerite-β, popovite, alarsite.
The mineral was named to honor the Russian mineralogist, geologist, geographer.
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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