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Clinochlore

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CR633030

Clinochlore

Description Tabs

Description
Locality: 
St Gotthard Tunnel, NEAT Construction Site, Amsteg, Uri, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 7 × 6.5 cm
Largest Crystal: 
1.20cm
Description

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

With sawn base from 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...