Smolyaninovite

smolyaninovite

skutterudite

safflorite

rammelsbergite

Images

Formula: Co₃Fe³⁺₂(AsO₄)₄.11H₂O
Hydrated normal arsenate, smolyaninovite group
Specific gravity: 2.43 to 2.49
Hardness: 2
Colour: Yellow
Environments

Hydrothermal environments

Smolyaninovite is an oxidation product of nickel-cobalt arsenides. Associated minerals include erythrite, pharmacolite and quartz (HOM).

Localities

Bou Azzer mining district, Drâa-Tafilalet Region, Morocco. Smolyaninovite is widely distributed as an oxidation product of skutterudite, safflorite and rammelsbergite. The only locality mentioned in the paper summarised in this article is Bou Azzer (AM 42.307-308).

The type locality is the Khovu-Aksy Ni-Co deposit, Chedi-Kholsky District, Tuva, Russia

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