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Amesite & Clinochlore

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GMA877458

Amesite & Clinochlore

Description Tabs

Description
Locality: 
Saranovskii Mine, Saranovskaya, Gorozavodskii, Perm Krai, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 2 cm
Description

Plenty of lustrous stacked purple crystals of  amesite as epitaxial overgrowth on green chlinochlore crystals.

Mineral Data
What's on the rock

Amesite

Formula: 
Mg2Al(AlSiO5)(OH)4
Strunz: 
9.ED.15
Crystal System: 
Triclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Chester Emery Mines, Chester, Hampden Co., Massachusetts, USA

Clinochlore

Formula: 
(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Brinton's Quarry, West Chester, Westtown Township, Chester Co., Pennsylvania, USA...

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