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Calcite

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NST656821

Calcite

Description Tabs

Description
Locality: 
Mosellaschacht Mine, Mayen, Eifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 4.5 × 3.7 cm
Description

Yellowish aggregates of calcite from a historic abandoned slate mine.
The deposit is cut by basalt dykes of the nearby Burgkopf volcano. This specimen is from the basalt dyke on -210 m level, collected in 1967.

Mineral Data
What's on the rock

Calcite

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