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Sphalerite Galena & Quartz

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PDM845514

Sphalerite Galena & Quartz

Description Tabs

Description
Locality: 
Hodruša-Hámre, Žarnovica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 7.8 × 3.6 cm
Weight: 
240.00gr
Description

A good size specimen featuring a drusy matrix of white quartz crystals richly associated to caramel brown sphalerite of good lustre and minor grey galena.

Ex Gerard Vogel specimen, with label.

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Galena

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

Quartz

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

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