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Dolomite Brochantite & Gypsum

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ESM728272

Dolomite Brochantite & Gypsum

Description Tabs

Description
Locality: 
Bou Beker, Touissit-Bou Beker District, Jerada Province, Oriental Region, Morocco
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
3.8 × 12.5 × 8.5 cm
Description

 Green brochantite crystals with minor gypsum with some pyrite crystals replaced by limonite on dark pink dolomite

Mineral Data
What's on the rock

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

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...

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.