Azurite and Malachite on Matrix - TS 018

Measurements:   83 x 63 x 42 mm

Description:  Azurite and malachite sit on a conglomorate matrix, along with a very small group (and a few bits) of cerussite crystals, about 8 mm long (image top right). 

The specimen has several contact marks.

Weight of Specimen:  210 g

Chemical Composition:  Cu₃(CO₃)₂(OH)₂  (azurite)
                                        Cu₂+(CO₃)(OH)₂  (malachite)                                                               PbCO₃  (cerussite)

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

Location:  Tsumeb, Northern Namibia.

Specimen Code:  TS 018