Shattuckite / Planchéite with Malachite - NKO 015

Handsize botryoidal planchéite / shattuckite with two malachite crystals

Measurements:  125 x 97 x 55 mm

Description:  A delicate specimen consisting of botryoidal planchéite / shattuckite with two malachite crystals, with a conglomerate matrix of planchéite / shattuckite, quartz and malachite.

It is obvious that this specimen was removed fairly close to the surface, as it has a few small plant roots embedded in its base (photograph bottom, left).

The specimen, which displays well on a flat surface, has some damage to the malachite and to the edges. A small part was cut /trimmed at the top, probably to remove unwanted matter (see image bottom right, close to centre of photograph).

Weight of Specimen:  390.0 g 

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

Hardness on Mohs Scale:   (shattuckite)  3.5  
(planchéite)  5.5       
                                            (malachite)  3.5-4


Location:  Kaokoland, Northern Namibia.

Specimen Code:  NKO 015

US $ 225



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