Double-Sided Calcite and Duftite Specimen - NTS 025

Delicate calcite and duftite specimen



Measurements:  65 x 52 x 31 mm

Description:  
A delicate, two-sided specimen consisting of pale, clear calcite crystals up to about 8 mm on edge, with minute duftite crystals in amongst the calcite crystals, with some included in the calcite. The specimen also has bits of, what appears to be, galena on and amongst the calcite crystals.

The specimen has a few (not too obvious) nicks, but still displays well.

Weight of Specimen:  72.0 g

Chemical Composition:  CaCO3  (calcite) 
                                    PbCu(AsO4)(OH)  (duftite)                          

Hardness on Mohs Scale:  (calcite)  3
                                      (duftite)  4 

Location:  Tsumeb, Northern Namibia.

Specimen Code:   NTS 025

US $ 55


 
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