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Chrysocolla Dolomite & Hematite On Quartz

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PJM84246

Chrysocolla Dolomite & Hematite On Quartz

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Mount Lyell Mines, Queenstown, West Coast Municipality, Tasmania, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 2.4 × 2.3 cm
Description

Lusterous black specular haematite almost completely encloses a cluster of quartz crystals and on to which white rhombs of dolomite and bright brashy chalcopyrite have been deposited.

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

Quartz

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

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