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Calcite & Löllingite

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CR755121

Calcite & Löllingite

With Antique Label

Description Tabs

Description
Locality: 
St Andreasberg District, Lower Saxony, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.5 × 4.8 cm
Description

Beautiful and very old calcite specimen from the famous classic locale in Germany.

Two generations of calcite with sparcling löllingeite microcrystals all over the specimen.

Very attractive old specimen from Alex Franz collection.

 

Mineral Data
What's on the rock

Calcite

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

Löllingite

Formula: 
FeAs2
Strunz: 
2.EB.15a
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Wolfbau Mine, Lölling District, Hüttenberger Erzberg, Hüttenberg, Friesach - Hüttenberg area, Carinthia, Austria