Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Sillimanite

Views:
Watches:
SER587467

Sillimanite

Description Tabs

Description
Locality: 
Nibbio Mine, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 3.1 × 1.9 cm
Largest Crystal: 
2.80cm
Description

Some pale blue-grey sillimanite crystals ; self collected on 1975

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