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Staurolite

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SHS36951

Staurolite

Description Tabs

Description
Locality: 
Keivy Mountains, Murmansk Oblast, Russian Federation
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.9 × 1.8 cm
Largest Crystal: 
3.80cm
Description

Brown staurolite twin on mica shist

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