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Mattheddleite

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SKY822165

Mattheddleite

Type Locality

Description Tabs

Description
Locality: 
Red Gill Mine, Roughton Gill, Caldbeck, Cumbria, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1.1 × 1 cm
Description

White acicular crystals of the very rare mineral mattheddleite from the most famous locality for the mineral, Caldbeck Fells where it was first identified. 

Outstanding and very rich specimen !

See Min Record. 22:105-121 for a review on the discovery.

Don't miss the opportunity to get this extreme rarity, very rarely seen on the mineral market.

Ex Vandenbroucke Museum collection specimen, from Waregem, Belgium.

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

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