Dioptase and Planchéite on Quartz – NKO 006

Gemmy dioptase crystals on planchéite coated quartz

 Measurements:  65 x 56 x 34 mm

Description:  Small, very gemmy dioptase crystals (up to about 1 mm long) sit on a quartz matrix, partly coated with planchéite.  

Only minimal damage to dioptase crystals.

Weight of Specimen:  86 g

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

Hardness on Mohs Scale:  (dioptase )   5
                                      (planchéite)  5.5              
                                      (quartz)  7

Location:  Kaokoland, Northern Namibia.

Specimen Code:  NKO 006

US $ 220


                                       

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