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Native Copper With Prehnite

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TBM778315

Native Copper With Prehnite

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Description Tabs

Description
Locality: 
Civitella Paganico, Grosseto Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.7 × 3 cm
Weight: 
104.00gr
Description

Small arborescent and crystalline masses of copper grown in geodes of preehnite crystals

Mineral Data
What's on the rock

Copper

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

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa