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Sillimanite

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SMM612206

Sillimanite

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Description
Locality: 
Cuzzago-Proman Pegmatite, Premosello Chiovenda, Verbano-Cusio-Ossola Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.9 × 1.9 cm
Description

A good sillimanite sample with a 2 cm long crystal fragment.

Boxed with Label
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

Payment options: offline, paypal_wpp, paypal_wps

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