Azurite on Malachite and Unknown Cast - NTS 006

Beautiful azurite crystals in cavities of cast

Measurements:  46 x 34 x 12 mm

Description:  Beautiful, small azurite crystals sit in the cavities of a cast overcoated with minute green crystals (resembling quartz under a microscope) and bits of malachite. 

The cast has a few nicks, while the only azurite with damage are the ones on the edges.

Weight of Specimen:  12.4 g

Chemical Composition:  Cu3(CO3)2(OH)(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 006


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