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Bayldonite & Quartz

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VCV171142

Bayldonite & Quartz

Description Tabs

Description
Locality: 
Brandy Gill Mine, Mungrisdale, Cumbria, United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.8 × 3.7 × 2.9 cm
Description

A crust of bright green crystallised bayldonite covering a matrix of quartz crystals.

An uncommon and lovely example from the renowned Cumbria, United Kingdom locality.

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...

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
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