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Sillimanite Var Fibrolite

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SHS128714

Sillimanite Var Fibrolite

Description Tabs

Description
Locality: 
Williamstown, Mount Lofty Ranges, South Australia, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.4 cm
Description

Sillimanite var fibrolite in 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

Fibrolite

Variety Of: 

Sillimanite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.05
Hardness: 
6.5 - 7.5
Hardness: 
0.0
Type Locality: 
Carnatic Coast (Karnatak), Tamil Nadu, India
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