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Calcite

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MGR656476

Calcite

Description Tabs

Description
Locality: 
Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.7 × 6.4 × 4.5 cm
Description

A very unusual calcite specimen and from a rare, historic locality. Hüttenberg is an old, historic mining area – iron was mined there. Really of relevance in it´s history – do you know boric iron? The high quality iron (ferrum noricum) , which was used for Roman Army came from Hüttenberg and Erzberg. First mentioned in old documents from 1266! But we know about mining even before the old Romans. Now more about the specimen: the crystals are sharp terminated and half white/half black. More tri-dimensionl in person, looks like a hedgehog. 

Mineral Data
What's on the rock

Calcite

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