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Devilline & Gypsum

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PFK789558

Devilline & Gypsum

Classic Locality

Description Tabs

Description
Locality: 
Jean Baptiste Mine, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
14.7 × 10 × 4.5 cm
Description

Here is an old, large, very rich and excellent example of the rare devilline from Lavrion, associated with gypsum on the typical matrix.
 

ex Konstantinos Papaspyropoulos collection.

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.

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