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Galena Var Skeletal & Sphalerite On Calcite

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CLB213982

Galena Var Skeletal & Sphalerite On Calcite

Classic Locality

Description Tabs

Description
Locality: 
Becke-Oese Quarry, Menden, Iserlohn, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.3 × 6.5 × 5 cm
Description

A very fine, very rich specimen, full of vugs lined with glossy gray galena (several hoppered 'skeletal' cubes) and tiny sphalerite crystals on creamy white dolomite.

Mineral Data
What's on the rock

Galena

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

Sphalerite

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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