Mangazeite
Mangazeite is an IMA-recognized mineral species in the sulfate class, with the chemical formula Al₂(SO₄)(OH)₄·3H₂O.
It crystallizes in the triclinic crystal system.
Key properties: Mohs hardness 1–2; specific gravity 2.15; Colorless streak; Vitreous luster.
IMA symbol Mgz, IMA status: approved, named in 2005.
A secondary mineral along the margins of quartz-arsenopyrite veins in the weathering zone of an intensively sericitized and pyritized granodiorite.
It is found associated with Gypsum, chlorite.
The name refers to Mangazeya Creek, eastern Yakutsk (Sakha Republic), Russia, near the first described locality.
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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