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Cuprite Brochantite Malachite & Calcite

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AST928442

Cuprite Brochantite Malachite & Calcite

Description Tabs

Description
Locality: 
Mine #6, Agrileza, Sounion, Lavrion, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 3.5 × 1.7 cm
Description

Very interesting case of acicular green malachite, dark green brochantite crystals and white calcite film covering a layer of cuprite which in turn is set on iron oxides matrix. Colorful multi mineral specimen with nice display.

Mineral Data
What's on the rock

Cuprite

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

Brochantite

Formula: 
Cu4(SO4)(OH)6
Strunz: 
7.BB.25
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Mednorudyanskoye Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Calcite

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

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