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Tetrahedrite Galena & Siderite

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ZLT214012

Tetrahedrite Galena & Siderite

Description Tabs

Description
Locality: 
Hilfe Gottes Mine, Wiemannsbucht, Bad Grund, Lower Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
1.5 × 6.5 × 3.5 cm
Largest Crystal: 
0.80cm
Description

Quartz matrix scattered with galena, small crystals of tetahederite and siderite. From the 1970´s or before. One large terahedrite crystal of ~3 mm.

Mineral Data
What's on the rock

Tetrahedrite

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

Galena

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

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