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Clinochlore

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CR668817

Clinochlore

Description Tabs

Description
Locality: 
St Gotthard Tunnel, NEAT Construction Site, Amsteg, Uri, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4 × 3.5 cm
Description

Very good and attractive specimen of black clinochlore crystal groups with minor rutile crystals.

Ex Armin Wendland collection.

Mineral Data
What's on the rock

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...