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Chalcanthite

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MGR760331

Chalcanthite

Classic Locality

Description Tabs

Description
Locality: 
Rammelsberg, Goslar, Lower Saxony, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.4 × 5.9 × 4.7 cm
Description

If I had to make a ranking of the most uncommon specimens we ever sold on e-rocks during a decade this piece would be among the top 3. Chalcanthite is this dimension, with such sharp crystals in an aesthetic arrangement from a classic old locality in the heart of Europe are simply fantastic. This is very old material at least hundred years old from a systematic collection of a retired professor, unfortunately the old labels were missed. It is more or less impossible to acquire such material in our days. This is extremly rare German classic on highest relevance for the mineral in general.

Mineral Data
What's on the rock

Chalcanthite

Formula: 
CuSO4·5H2O
Strunz: 
7.CB.20
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
2.5
Streak: 
White
Type Locality: 
Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile
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