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Sergeevite

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CR202757

Sergeevite

Rare Mineral
Type Locality

Description Tabs

Description
Locality: 
Malyi Mukulan Mine, Tyrnyauz Deposit, Baksan Valley, Kabardino-Balkaria, Russian Federation
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.3 × 0.2 cm
Description

Small grain of the rare mineral sergeevite from the type locality.

Ex Franz Bauer collection, ex Dr. Wilke collection, ex Fersman museum Mocsow.

According to the label xray conformed

 

Mineral Data
What's on the rock

Sergeevite

Formula: 
Ca2Mg11(CO3)13·10H2O
Strunz: 
5.DB.25
Hardness: 
3.5
Colour: 
White
Type Locality: 
Malyi Mukulan Sn Mine, Tyrnyauz Mo-W deposit, Baksan Valley, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia