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Nantokite

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CHA692526

Nantokite

Classic Locality

Description Tabs

Description
Locality: 
Baratti Slag Locality, Piombino, Livorno Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.5 × 1.2 cm
Description

specimen with some nice tetrahedric green crystals of nantokite on matrix; Baratti Etruscan and Roman metallurgical slags, tens of meters thick in some places, extend to the coastline in the Gulf of Baratti. The slags altered by seawater reveal many interesting Pb-Cu alteration minerals, similar to the Lavrion (Greece) ones.

Mineral Data
What's on the rock

Nantokite

Formula: 
CuCl
Strunz: 
3.AA.05
Crystal System: 
Isometric
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Carmen Bajo Mine, Nantoko, Copiapó Province, Atacama Region, Chile

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