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Crednerite & Mendipite

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JYJ772045

Crednerite & Mendipite

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Description
Locality: 
Merehead Quarry (Torr Works), East Cranmore, Somerset, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.9 × 2.8 cm
Description

Black crednerite associated with malachite on mendipite from the Merehead quarry. 

 

Mineral Data
What's on the rock

Crednerite

Formula: 
CuMnO2
Strunz: 
4.AB.05
Crystal System: 
Monoclinic
Hardness: 
4.0
Colour: 
Black
Type Locality: 
Glücksstern Mine, Gottlob Hill, Friedrichroda, Thuringian Forest, Thuringia, Germany

Mendipite

Formula: 
Pb3Cl2O2
Strunz: 
3.DC.70
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Churchill, Mendip Hills, Somerset, England, UK
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