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Ecdemite & Laurionite

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JYJ110171

Ecdemite & Laurionite

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.2 × 1.3 cm
Description

Waterclear laurionite and yellowish spheres of ecdemite in vugs.

Mineral Data
What's on the rock

Ecdemite

Formula: 
Pb6Cl4(As2O7)
Strunz: 
3.DC.65
Crystal System: 
Tetragonal
Hardness: 
2.5 - 3.0
Type Locality: 
Långban, Filipstad, Värmland, Sweden

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