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Brandholz - Goldkronach District, Fichtelgebirge, Franconia, Bavaria, Germany

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Chalcostibite : CuSbS2, Pyrite : FeS2, Quartz : SiO2

Brandholz - Goldkronach District, Fichtelgebirge, Franconia, Bavaria, Germany

Bluish grains of chalcostibite [apparently not analysed, maybe be something different], intergrown with brassy pyrite, on quartz matrix.
Field of view 7 mm. Collection M. Kampf No 90-142
 © 2006 M. KampfPhoto ID: 71859    View Count: 263

Stibiconite : Sb3+Sb5+2O6(OH), Stibnite : Sb2S3

Brandholz - Goldkronach District, Fichtelgebirge, Franconia, Bavaria, Germany

Brandholz, Fichtelgebirge, Bavaria, Germany is the type locality for stibiconite.
The lower part of the stibnite group is unaltered, the upper part coated with stibiconite. Assoziated is quartz. Field of view 8 mm.
 © hamster@aon.atPhoto ID: 142063    View Count: 128
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