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Mückeite & Polydymite

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JYJ651169

Mückeite & Polydymite

Description Tabs

Description
Locality: 
Grüneau Mine, Schutzbach, Altenkirchen, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.6 cm
Description

Rare grey metallic mückeite with octahedral polydymite and millerite. 

Mineral Data
What's on the rock

Mückeite

Formula: 
NiCu(Bi,Sb)S3
Strunz: 
2.GA.25
Hardness: 
3.5
Colour: 
Grey
Type Locality: 
Grüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Betzdorf, Siegerland, Rhineland-Palatinate, Germany

Polydymite

Formula: 
Ni2+Ni3+2S4
Strunz: 
2.DA.05
Crystal System: 
Isometric
Hardness: 
4.5 - 5.5
Type Locality: 
Grüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Betzdorf, Siegerland, Rhineland-Palatinate, Germany