Zincolivenite on Matrix - NTS 047

Measurements:  75 x 40 x 35 mm

Description:  Drusy zincolivenite crystals with bits of dolomite, sit on a conglomorate matrix. 

The only notable damage is to the edges of the zincolivenite crystallized area. The specimen has a natural superficial, stable flaw.

For a very interesting article re. zincolivenite, follow this link:  https://www.mindat.org/mesg-509646.html

Weight of Specimen:  93.8 g  

Chemical Composition:  CuZn(AsO₄)(OH)  (zincolivenite)                                                                 CaMg(CO₃)₂  (dolomite)        

Hardness on Mohs Scale:   (zincolivenite) 3.5
                                                    (dolomite) 3.5 - 4

Location:  Tsumeb, Northern Namibia, Africa.

Specimen Code:   NTS 047