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Quartz & Chlorite

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ESM762543

Quartz & Chlorite

Description Tabs

Description
Locality: 
Bourg d'Oisans, Isère, Auvergne-Rhône-Alpes, France
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3.5 × 3 cm
Description

A cluster of water clear quartz crystals with sharp chlorite phantoms

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Chlorite

Synonym Of: 

Chlorite Group

Group Parent: 
Chlorite
Crystal System: 
Monoclinic
Hardness: 
2 - 2.5
Colour: 
Green, Grey, Brown
Streak: 
colourless