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Tetrahedrite On Quartz

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WND811294

Tetrahedrite On Quartz

Classic Locality

Description Tabs

Description
Locality: 
Holzappel Mine, Holzappel, Laurenburg, Ahrweiler, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.1 × 9.5 × 6.9 cm
Description

Several of exceeding high metallic lustrous and steel grey tetrahedrons of tetrhedrite perched on sparkly quartz. The tetrahedrite is sharp edged and well developed. Of course this oldtimed specimen is not perfect but considering the rarity of the specimen in combination with this classic locality it is a top piece. The first time that such a specimen from Holzappel goes through my fingers. Very good and rare.

Mineral Data
What's on the rock

Tetrahedrite

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Wendel Minerals

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