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Brochantite Calcite & Copper

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MSD997857

Brochantite Calcite & Copper

Description Tabs

Description
Locality: 
Christiana Mine, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 4.7 × 0.1 cm
Weight: 
26.40gr
Description

An excellent, wafer-thin specimen of dark green brochantite on native copper from the famous copper cleft in the Christiana Mine, Laurion.
The white calcites sitting on the side give a nice contrast.
Found in 1996

The weight given includes the acrylic base, the sizes refer to the mineral alone.

Mineral Data
What's on the rock

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...

Calcite

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

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0