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Kremersite

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RSL694626

Kremersite

Description Tabs

Description
Locality: 
Kopeysk, Chelyabinsk Oblast, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.6 × 0.6 cm
Description

Kremersite is a very rare complex halide, very deliquescent, that is why it is protected sealed in a glass capsule. Visible crystals, transparent and with an intense red color. From the coal mine Nr. 50 of this Russian locality known for more than 40 new species formed on spontaneous burning coal dumps and are known to rage for many years or decades, forming many rare high-temperature minerals.

Mineral Data
What's on the rock

Kremersite

Formula: 
(NH4,K)2[Fe3+Cl5(H2O)]
Strunz: 
3.CJ.10
Hardness: 
0.0
Colour: 
Brown-red
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy