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Mattheddleite & Lanarkite

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Mattheddleite & Lanarkite

Rare Mineral

Description Tabs

Description
Locality: 
Whitwell Quarry, Whitwell, Worksop, Derbyshire, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.5 × 1.5 cm
Description

specimen with some very good white tufts of needles of the rare mattheddleite with associate a colourless crystal of lanarkite on matrix

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

Lanarkite

Formula: 
Pb2(SO4)O
Strunz: 
7.BD.40
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Susanna Mine (Glennery Scar Vein; Susanna Vein [Scar Vein]; Portobello Vein; Humby Vein; Lead Vein), Leadhills, South Lanarkshire, Strathclyde (Lanarkshire), Scotland, UK

Seller Information

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