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Chrysocolla With Calcite

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PCZ504027

Chrysocolla With Calcite

Description Tabs

Description
Locality: 
Whytes Cleuch, Wanlockhead, Dumfries & Galloway, Scotland, United Kingdom
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 3 cm
Description

Bright chrysocolla with calcite, some of which appears to have included the first mentioned.

Mineral Data
What's on the rock

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White
Peter Crozier Minerals