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Copper With Calcite

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QRI643909

Copper With Calcite

Classic Locality

Description Tabs

Description
Locality: 
Impruneta, Florence Province, Tuscany, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 6.7 × 5.1 cm
Weight: 
143.00gr
Description

Sculptural group of native copper intimately intergrown with white-to-colorless calcite. Copper makes masses and wires, partially exposed due to the removal of calcite, and it occasionally displays a green alteration due to its local oxydation. 
A very representative specimen of Italian copper, dated back to the 80s.

Mineral Data
What's on the rock

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Calcite

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

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