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Native Copper & Volborthite In Prehnite

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HCH675214

Native Copper & Volborthite In Prehnite

Description Tabs

Description
Locality: 
Reichenbach, Baumholder, Rhineland-Palatinate, Germany
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.5 × 1.5 cm
Description

Cutted and polished nodule with intergrown aggregates of native Copper, Volborthite, Chrysocolla and some minor Cuprite in massive Prehnite. Unique material from not very common location in Germany.

Mineral Data
What's on the rock

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Volborthite

Formula: 
Cu3(V2O7)(OH)2·2H2O
Strunz: 
8.FD.05
Hardness: 
3.5
Type Locality: 
Sofronovskii Cu Mine, Yugovskii Zavod, Perm', Permskaya Oblast', Middle Urals, Urals Region, Russia...

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa

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