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Sphalerite & Quartz

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CR717380

Sphalerite & Quartz

with antique label
Classic Locality

Description Tabs

Description
Locality: 
Clausthal-Zellerfeld, Goslar, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5.5 × 6 cm
Weight: 
450.00gr
Description

This is a very old and nice specimen of a large brown, lustrous sphalerite crystal with quartz crystals from Harz mountains.

With old Dr. F. Krantz label.

Mineral Data
What's on the rock

Sphalerite

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Labels
Label Images - only: Sphalerite & Quartz