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Bayldonite With Anglesite

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CLB61276

Bayldonite With Anglesite

collection Hermann Kraft (1940s)
Classic Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 4.5 × 2.2 cm
Description

This specimen is so completely covered with thousands of little bayldonite crystals, that it seems almost massive. On the top and in a vug on the backside sit some brownish anglesite crystals. The specimen is from the collection of Hermann Kraft and has an old label (around 1940).

Mineral Data
What's on the rock

Bayldonite

Formula: 
PbCu3(AsO4)2(OH)2
Strunz: 
8.BH.45
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Penberthy Croft Mine, St Hilary, Mount's Bay District, Cornwall, England, UK...

Anglesite

Formula: 
PbSO4
Strunz: 
7.AD.35
Crystal System: 
Orthorhombic
Hardness: 
2.5 - 3.0
Streak: 
Colorless
Type Locality: 
Parys Mountain Copper Mine, Anglesey, Wales, United Kingdom

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