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Brochantite On Calcite

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CLB58914

Brochantite On Calcite

Classic Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.3 × 6.3 × 3.1 cm
Largest Crystal: 
0.80cm
Description

Brochantite crystals up to 0.8 cm long in sprays and scattered crystals on ivory-colored rhombic calcite crystals. Some inclusions of brochantite in calcite.

Minor dings at the edges which can't be seen from the front.

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

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