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Brochantite Azurite Calcite & Agardite

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CLB634102

Brochantite Azurite Calcite & Agardite

ex collection Otfried Kopp
Classic Locality

Description Tabs

Description
Locality: 
Christiana Mine, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
11.1 × 8.8 × 3.2 cm
Weight: 
419.00gr
Description

Deep green brochantite and dark blue, glossy azurite crystals on gossan matrix. A nice, transparent calcite crystal aggregate sits in the middle. Not pictured: pillows of almost white, pale green acicular crystals - most possibly agardite.

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...

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

Calcite

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

Agardite

Synonym Of: 

Agardite-(Ce)

Formula: 
CeCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(La)

Formula: 
LaCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(Nd)

Formula: 
NdCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(Y)

Formula: 
YCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Seller Information

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