Azurite on Matrix - TS 007

Azurite (and malachite) on matrix

Measurements:  100 x 65 x 40 mm

Description:  Azurite crystals, with parts altered to malachite, along with bits of dolomite, on a (predominantly azurite) conglomorate matrix which has been trimmed (image bottom left). 

The crystals have a few nicks and contact marks. 

Weight of Specimen:  514 g

Chemical Composition:  Cu3(CO3)2(OH)2  (azurite)
                                        Cu2+(CO3)(OH)2  (malachite)
                                        CaMg(CO3)2  (dolomite)                                                                                   
Hardness on Mohs Scale:  (azurite)  3.5 – 4
                                          (malachite)  3.5 - 4
                                          (dolomite)  3.5-4

Location:  Tsumeb, Northern Namibia.

Specimen Code:  TS 007

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