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Chrysocolla Shattuckite & Baryte

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CLB527346

Chrysocolla Shattuckite & Baryte

Classic Locality

Description Tabs

Description
Locality: 
Düne Island, Helgoland, Schleswig-Holstein, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 4.3 × 3.4 cm
Description

Rare sample of pale green chrysocolla and tiny blue shattuckite with waterclear baryte crystals in a vug in red sandstone. From the famous German island Helgoland. Found in 1967. The locality is a nature reserve today.

Mineral Data
What's on the rock

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5

Shattuckite

Formula: 
Cu5(Si2O6)2(OH)2
Strunz: 
9.DB.40
Crystal System: 
Orthorhombic
Hardness: 
3.5
Type Locality: 
Shattuck Mine (Shattuck-Denn Mine; Shattuck-Arizona Mine; Denn Mine), Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White

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