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Smoky Quartz & Calcite

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ZLT145423

Smoky Quartz & Calcite

Description Tabs

Description
Locality: 
Limestone Quarry, Neander Valley, Mettmann, Düsseldorf, North Rhine - Westphalia, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.5 × 3.6 × 1.8 cm
Largest Crystal: 
0.50cm
Description

Small gemmy smoky quartz crystal on calcite. From 1988.

Mineral Data
What's on the rock

Smoky Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0

Calcite

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

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