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Devilline Gypsum & Cobaltoan Dolomite

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SLN654227

Devilline Gypsum & Cobaltoan Dolomite

Description Tabs

Description
Locality: 
Bou Beker, Touissit-Bou Beker District, Jerada Province, Oriental Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
5.4 × 7.5 × 7.1 cm
Weight: 
247.00gr
Description

Nice specimen from Morocco with several sperical aggregates of turquoise devilline covered by glossy and transparent gypsum crystals associated with excellent rombohedral cobaltoan dolomite crystals

Mineral Data
What's on the rock

Devilline

Formula: 
CaCu4(SO4)2(OH)6·3H2O
Strunz: 
7.DD.30
Crystal System: 
Monoclinic
Hardness: 
2.5
Type Locality: 
Cornwall, England, UK

Gypsum

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

Cobaltoan Dolomite

Variety Of: 

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Hardness: 
3.5 - 4.0
Formula: 
(Ca,Mg,Co)CO3
Hardness: 
0.0

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