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Calcite

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MGR626594

Calcite

Description Tabs

Description
Locality: 
Berlin, Germany
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.7 × 2.6 cm
Description

A floater of well defined rhombohedral crystals. Grains of quartz are inter grown to all faces. The specimen is developed as floater and looks fine in each position. But the really uncommon indicator is the locality: found at a farm in old Berlin with a label from 1866. Ofcourse the specimen will come with this old label.

Mineral Data
What's on the rock

Calcite

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