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Staurolite

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MGR793227

Staurolite

Classic Locality

Description Tabs

Description
Locality: 
Pestsovye Keivy, Keivy Mountains, Murmansk Oblast, Russian Federation
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 2.1 × 1.4 cm
Description

Staurolite from the locality is probably the best world-wide. And this one stands out - it is not on matrix; it is a complete floater, well shaped all around.

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