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Mimetite Conichalcite & Malachite

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MBM821377

Mimetite Conichalcite & Malachite

From an old collection of a doctor in chemistry from 1900-1930
Classic Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 3.5 cm
Description

A Tsumeb plate of rosettes of sparkly, pastel-yellow mimetite crystals richly scattered on matrix and complimented by contrasting, bladed, green malachite and more green "stuff".

Mineral Data
What's on the rock

Mimetite

Formula: 
Pb5(AsO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Treue Freundschaft Mine, Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany

Conichalcite

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

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
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Seller Shipment Germany 6,00 EUR  Europe 9,00 EUR Worldwide shipment 12,00 EUR