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Pyroaurite

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JYJ711470

Pyroaurite

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3.1 × 1 cm
Description

Pale brown pyroaurite crystals from Langban. The mineral exists also in more bluish crystals from this locality. 

Mineral Data
What's on the rock

Pyroaurite

Formula: 
Mg6Fe3+2(OH)16[CO3]·4H2O
Strunz: 
5.DA.50
Crystal System: 
Hexagonal
Hardness: 
2.5
Type Locality: 
Långban, Filipstad, Värmland, Sweden