Azurite and Malachite on Matrix - NTS 028

Measurements:  75 x 58 x 40 mm

Description:  Azurite and malachite on rock matrix. 

Some of the azurite crystals are damaged.

Weight of Specimen:  144.9 g

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

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

Location:  Tsumeb, Northern Namibia.

Specimen Code:  NTS 028

US $ 180