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Ecdemite

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JYJ1046809

Ecdemite

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3.4 × 2.5 cm
Description

Lustrous beige ecdemite on matrix from the Langban mine, Filipstad, Sweden. 

Rare mineral. 

 

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