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Mattheddleite & Caledonite

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ESM520942

Mattheddleite & Caledonite

Description Tabs

Description
Locality: 
Red Gill Mine, Roughton Gill, Caldbeck, Cumbria, United Kingdom
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.8 × 1.3 cm
Description

Colourless crystals of mattheddleite and blue-green caledonite crystals

Mineral Data
What's on the rock

Mattheddleite

Formula: 
Pb5(SiO4)1.5(SO4)1.5(Cl,OH)
Strunz: 
9.AH.25
Hardness: 
3.5 - 4.5
Streak: 
white
Type Locality: 
Leadhills, South Lanarkshire, Strathclyde (Lanarkshire), Scotland, UK

Caledonite

Formula: 
Pb5Cu2(SO4)3(CO3)(OH)6
Strunz: 
7.BC.50
Crystal System: 
Orthorhombic
Hardness: 
2.5 - 3.0
Type Locality: 
Leadhills, South Lanarkshire, Strathclyde (Lanarkshire), Scotland, UK