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Quartz & Sphalerite

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NST689662

Quartz & Sphalerite

Description Tabs

Description
Locality: 
Schauinsland District. Freiburg Region, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 3 × 4.4 cm
Description

A fine, all around terminated aggregate of short prismatic Quartz on black Sphalerite matrix.

Mineral Data
What's on the rock

Quartz

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

Sphalerite

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