Shattuckite / Planchéite with Dioptase and Quartz – NKO 016

Beautiful specimen of shattuckite, malachite and calcite on quartz

Measurements:  48 x 38 x 32 mm

Description:  A small geode, consisting of dioptase and quartz crystals, sits in botryoidal shattuckite / planchéite which, in turn, sits on quartz.

The specimen has a few nicks.

Weight of Specimen:  65.0 g 

Chemical Composition:  Cu2+SiO2(OH)2  (dioptase)      
  Cu5(OH)2(SiO3)(shattuckite)                                                          Cu8Si8O22(OH)4•(H2O)  (planchéite)
                                       SiO2  (quartz)

Hardness on Mohs Scale:  (dioptase)  5 
3.5                                                                            (planchéite)  5.5

Location:  Kaokoland, Northern Namibia.

Specimen Code:  NKO 016




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