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Wavellite & Hydrocerussite

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CLB557930

Wavellite & Hydrocerussite

ex collection Helmuth Hatton
Classic Locality

Description Tabs

Description
Locality: 
Stockum Quarry, Sundern, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 5 × 4.3 cm
Description

Beige wavellite crystal balls with white, botryoidal hydrocerussite (visual ID - according to mindat rather variscite) and an unidentified brown mineral species. I base my visual ID on the listings of the superordinate locality listing for Sundern. Not much work has been done on Stockum itself.

Mineral Data
What's on the rock

Wavellite

Formula: 
Al3(PO4)2(OH,F)3·5H2O
Strunz: 
8.DC.50
Hardness: 
3.5 - 4.0
Streak: 
White.
Type Locality: 
High Down Quarry, Filleigh, North Devon, Devon, England, UK

Hydrocerussite

Formula: 
Pb3(CO3)2(OH)2
Strunz: 
5.BE.10
Crystal System: 
Trigonal
Hardness: 
3.5
Streak: 
White
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Seller Information

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