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Staurolite

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MGR933288

Staurolite

Classic Locality

Description Tabs

Description
Locality: 
Pestsovye Keivy, Keivy Mountains, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.6 × 1.4 cm
Description

Perfect miniature specimen of extremely well crystallised staurolite from Russia. The crystals have an intense colour and are perfectly placed in the center of the specimen.

Mineral Data
What's on the rock

Staurolite

Formula: 
Fe2+2Al9O6(SiO4)4(O,OH)2
Strunz: 
9.AF.30
Crystal System: 
‎Monoclinic
Hardness: 
7.0 - 7.5
Colour: 
Brown