Alumoklyuchevskite
Alumoklyuchevskite is an IMA-recognized mineral species in the sulfate class, with the chemical formula K₃Cu²⁺₃AlO₂(SO₄)₄.
It crystallizes in the monoclinic crystal system (space group I2). It is a member of the Klyuchevskite structural group.
Key properties: Mohs hardness 2.3; specific gravity 3.1; optically biaxial.
IMA symbol Akyv, IMA status: approved, named in 1993.
Deposited by fumarolic gases.
It is found associated with Fedotovite, tenorite, lammerite, averievite, piypite, langbeinite.
The name refers to aluminum in its composition and its relation to klyuchevskite.
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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