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Conichalcite & Wulfenite

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CR817919

Conichalcite & Wulfenite

Classic Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
12.5 × 7 × 5.5 cm
Weight: 
465.00gr
Description

This is a fantastic and very colorful old time Tsumeb specimen from the famous Armin Wendland collection.

Large wulfenite crystals are covered with intense green crystallized or globular conchalcite crystals all around the specimen.

SEM-EDS analysed

Mineral Data
What's on the rock

Conichalcite

Formula: 
CaCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Hinojosa del Duque, Córdoba, Andalusia, Spain

Wulfenite

Formula: 
Pb(MoO4)
Strunz: 
7.GA.05
Crystal System: 
Tetragonal
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Bad Bleiberg, Bleiberg District, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria