Dioptase on Planchéite / Shattuckite, on Matrix – NKO 009

Lovely dioptase crystal and planchéite on dioptase

Measurements:  39 x 37 x 26 mm

Description:  A group of sparkling dioptase crystals (22 x 18 mm) sits on a quartzite matrix, parly coated with planchéite / shattuckite. 

Some crystals on the edges of the dioptase group are damaged. 

It is difficult to capture the sparkle of the bottle-green dioptase crystals on images, much better in real life.

Weight of Specimen:   44.1 g

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

Hardness on Mohs Scale:  (dioptase)  5
                                          (planchéite)  5.5   
Location:  Kaokoland, Northern Namibia.

Specimen Code:  NKO 009

US $ 45

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