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Chiastolite

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MGR791863

Chiastolite

Classic Locality

Description Tabs

Description
Locality: 
Pestsovye Keivy, Keivy Mountains, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3.2 × 0.4 cm
Description

A well cut and polished cross-section of chiastolite from this well known locality. It must have been a remarkable large crystal regarding this diameter - the different colors are amazing and show the structure of this material in a very interesting way. The specimen stands out all other cross-esctions - it is highly translucent, you can see the internal sharp zonings even on light background without light-effects!

Mineral Data
What's on the rock

Chiastolite

Variety Of: 

Andalusite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.10
Hardness: 
6.5 - 7.5
Hardness: 
0.0