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Fiedlerite & Laurionite

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HCH185664

Fiedlerite & Laurionite

Description Tabs

Description
Locality: 
Herzog Julius Smelter Slag Locality, Astfeld, Goslar, Lower Saxony, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 2 cm
Largest Crystal: 
0.10cm
Description

Colourless prismatic crystals of Laurionite and Paralaurionite with partly very small tabular crystals of Fiedlerite are sitting in small cavities of slag.

Mineral Data
What's on the rock

Fiedlerite

Formula: 
Pb3FCl4(OH)·H2O
Strunz: 
3.DC.10
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Lavrion District slag localities, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

Laurionite

Formula: 
PbCl(OH)
Strunz: 
3.DC.05
Hardness: 
3.0 - 3.5
Type Locality: 
Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

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