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Devilline Gypsum & Cobaltoan Dolomite

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SLN679366

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: 
5.1 × 8.9 × 6.6 cm
Weight: 
286.00gr
Description

Big and aesthetic specimen from Morocco of devilline in a beautiful and typical turquoise color in crystals free and covered by glossy and transparent gypsum var selenite associated with pseudocubic 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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