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Chalcotrichite Cuprite Chrysocolla & Amethyst

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MNR122933

Chalcotrichite Cuprite Chrysocolla & Amethyst

Classic Locality

Description Tabs

Description
Locality: 
Studenec Quarry, Jilemnice, Semily, Liberec Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.5 × 4.1 cm
Description

Melaphyre rock filled with micro crystalline cuprite, chalcotrichite needles in quartz vug, blue chrysocolla and amethyst.

 

Mineral Data
What's on the rock

Chalcotrichite

Variety Of: 

Cuprite

Formula: 
Cu2O
Strunz: 
4.AA.10
Hardness: 
3.5 - 4.0
Formula: 
Cu2O
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0
Colour: 
Red

Cuprite

Formula: 
Cu2O
Strunz: 
4.AA.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Chrysocolla

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

Amethyst

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0
Colour: 
Purple