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Leadhillite & Brianyoungite

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JYJ789425

Leadhillite & Brianyoungite

Description Tabs

Description
Locality: 
Friedrichssegen Mine, Bad Ems, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 0.9 cm
Description

Colourless leadhillite with filigrane brianyoungite from the Friedrichssegen mine, Germany. 

 

Mineral Data
What's on the rock

Leadhillite

Formula: 
Pb4(CO3)2(SO4)(OH)2
Strunz: 
5.BF.40
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
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

Brianyoungite

Formula: 
Zn3(CO3,SO4)(OH)4
Strunz: 
5.BF.30
Crystal System: 
Orthorhombic or Monoclinic
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Brownley Hill Mine (Bloomsberry Horse Level), Nenthead, Alston Moor District, North Pennines, North and Western Region (Cumberland), Cumbria, England, UK