Azurite, Malachite, Calcite and Duftite on Matrix - NTS 024

Azurite, malachite, calcite andduftite on matrix, Tsumeb



Measurements:  50 x 44 x 22 mm

Description: 
 Lovely drusy azurite crystals share an unknown matrix with duftite, malachite and calcite.

The azurite has no notable damage except to the back edge. There is a crack running across the matrix, but it appears to be stable.


Weight of Specimen: 
 97.1 g

Chemical Composition:  Cu3(CO3)2(OH)(azurite)
                                    Cu2+(CO3)(OH)2  (malachite)
                                    PbCu(AsO4)(OH)  (duftite)
                                    CaCO3  (calcite)                                    

Hardness on Mohs Scale:  (azurite)  3.5 – 4
                                      
(malachite)  3.5 - 4
                                      (duftite
)  4 
                                      (
calcite)  3  

Location: 
Tsumeb, Northern Namibia.

Specimen Code:   NTS 024

US $ 75


Home Order Form