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Tetrahedrite Quartz & Galena

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PCZ511178

Tetrahedrite Quartz & Galena

Description Tabs

Description
Locality: 
Huayllapon Mine, Pasto Bueno, Ancash Department, Peru
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6 × 5.5 cm
Description

This was one of the first mineral specimens I acquired when I started collecting 22 years ago. It has been in my display cabinet the whole time while many others have come and gone, testament to its aesthetics (in my eyes). It consists of sharp tetrahedrite up to 1.6 cm on an edge amongst nicely contrasting translucent quartz crystals up to 3.0 cm in length. A few small galena crystals are also present. A lovely specimen from a very rarely offered Peruvian mine.

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

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey
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