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Pyroaurite

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BCK660133

Pyroaurite

Kay Robertson collection
Type Locality

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.8 × 1.5 cm
Description

You are bidding on an exceptional small miniature sample with dozens of perfect, bright blue hexagonal crystals of pyroaurite on calcite matrix with tiny crystals of fluorite. The crystals range from remarkably thin plates through thicker barrels with amazing color. Exceptional sample for the species from the type locality. Kay Robertson collection and label. 

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

Seller Information

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