Smithsonite Crystals on Chalcocite  - NTS 014

Cobaltoan smithsonite crystals on chalcocite ore

Measurements:  48 x 25 x 21 mm

Description:  Pink cobaltoan smithsonite crystals sit on chalcocite ore. 

The only notable damage is to some of the smithsonite crystals on the edges of the specimen. Otherwise only a few minute nicks, hardly visible withe the naked eye. 

Weight of Specimen:  45.0 g

Chemical Composition:  (Zn,Co)CO3  (cobaltoan smithsonite) 
                                        Cu2S  (chalcocite) 
Hardness on Mohs Scale:  
(cobaltoan smithsonite)  4 - 4
                                           (chalcocite) 2 - 3

Location:  Tsumeb, Northern Namibia.

Specimen Code:  NTS 014

US $ 120

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