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Staurolite & Kyanite

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CR200901

Staurolite & Kyanite

with antique label
Classic Locality

Description Tabs

Description
Locality: 
Campolungo Pass, Campolungo, Leventina, Ticino, Switzerland
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 7 × 2.5 cm
Description

This is an extremely old specimen of double terminated staurolite crystals and gemmy kyanite crystals in typical matrix.

Specimen comes with 3 fantastic old labels.

Ex Rijksmuseum Stockholm

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

Kyanite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.15
Crystal System: 
Triclinic Forms long bladed crystals.
Hardness: 
5.5 - 7.0
Streak: 
Colorless