Shattuckite and Malachite with Calcite on Quartz – NKO 016

Beautiful specimen of shattuckite, malachite and calcite on quartz
Measurements:  48 x 44 x 22 mm

Description:  An exposed vug in quartz reveals beautiful, delicate sprays of malachite crystals, coated with minute calcite crystals, giving it a shiny droplet effect.

Also to be seen are a few small shatttuckite balls and a few facets of quartz, as well as bits of planchéite coating. The sides of the vug has damage.

A lovely, delicate specimen that displays well.

Weight of Specimen:  55g 

Chemical Composition:  Cu5(OH)2(SiO3)4  (shattuckite)                                                           Cu8Si8O22(OH)4•(H2O)  (planchéite)
                                    Cu2+(CO3)(OH)2  (malachite) 
                                    SiO2  (quartz)
                                    CaCO3  (calcite)

Hardness on Mohs Scale:   (shattuckite)  3.5                                                                            (planchéite)  5.5
                                       (malachite)  3.5-4
                                       (quartz)  7 
                                       (calcite)  3

Location:  Kaokoland, Northern Namibia.

Specimen Code:  NKO 016

US $ SOLD

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