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Calcite On Amethyst

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PCZ617430

Calcite On Amethyst

Description Tabs

Description
Locality: 
Setz Quarry, Idar Oberstein, Hunsrück, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7.5 × 4.5 cm
Description

Calcite (or possibly dolomite) on amethyst from a rarely offered german locality. sits nicely for display.

Mineral Data
What's on the rock

Calcite

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

Amethyst

Variety Of: 

Quartz

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