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Sillimanite

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NSS215022

Sillimanite

Description Tabs

Description
Locality: 
Nibbio Mine, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 3 cm
Description

gray cristals on matrix

Mineral Data
What's on the rock

Sillimanite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.05
Crystal System: 
Orthorhombic
Hardness: 
6.5 - 7.5
Streak: 
white
Type Locality: 
Chester, Middlesex Co., Connecticut, USA

Seller Information

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