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Calcite & Pyrite On Quartz

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CLB557896

Calcite & Pyrite On Quartz

ex collection Schwanz
Classic Locality

Description Tabs

Description
Locality: 
Silberberg, Todtnau, Freiburg Region, Baden-Württemberg, Germany
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.4 × 3.3 cm
Description

Very nice columnar, colorless calcite crystals with white tips with small, golden-brassy pyrite on quartz crystals.

The specimen has a few dings, but the best parts are fine.

Mineral Data
What's on the rock

Calcite

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Quartz

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

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