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Tetrahedrite

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QRI652571

Tetrahedrite

Classic Locality

Description Tabs

Description
Locality: 
Bleialf, Prüm, Eifel, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.1 × 5.4 × 3.5 cm
Largest Crystal: 
0.50cm
Weight: 
156.00gr
Description

Sizeable lustrous metallic tetrahedrite in a quartz vein, with perched on top a small chalcopyrite crystal. The entire specimen is covered in dozens of millimetric tetrahedrite, dusted by golden chalcopyrite which partially epimorph them. Associated, also some very fine brown siderite.

The reported locality was Grube Bleialf, although I could not find it anywhere. Most probably the exact location is Bertha Schaft, but I have no confirmation of it.

Mineral Data
What's on the rock

Tetrahedrite

Formula: 
Cu6[Cu4(Fe,Zn)2]Sb4S13
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0

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