Alumoedtollite
Alumoedtollite is an IMA-recognized mineral species in the arsenate class, with the chemical formula K₂NaCu₅AlO₂(AsO₄)₄.
It crystallizes in the triclinic crystal system (space group P-1). It is a member of the Edtollite structural group.
Key properties: specific gravity 4.28; Light yellow streak; Semi-metallic luster.
IMA symbol Aedt, IMA status: approved, named in 2017.
A sublimate on basaltic scoria at an active volcanic fumarole.
It is found associated with Sylvite, halite, tenorite, dmisokolovite, shchurovskyite, arsmirandite, johillerite, bradaczekite, tilasite, orthoclase (As-bearing), hematite, anhydrite.
Prefix, alumo, identifies the aluminum analogue of edtollite.
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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