Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Sillimanite

Views:
Watches:
SHS685652

Sillimanite

ex. dealer stock Peter Bosse (Kassel/Germany)

Description Tabs

Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.4 × 1.3 cm
Description

Sillimanite crystals 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