Small Geode of Dioptase Crystals and Planchéite – NKO 008

Gemmy, double terminated dioptase crystal with multiple facets
Measurements:  35 x 22 x 14 mm

Description:  A lovely, small geode (17 mm long) of gemmy dioptase crystals. A thin coating and pieces of planchéite are attached to the specimen.  No apparent damage.

Weight of Specimen:  9.7 g

Chemical Composition:  Cu2+SiO2(OH)2  (dioptase)
                                    Cu8Si8O22(OH)4•(H2O)  (planchéite) 
                                    
Hardness on Mohs Scale:   (dioptase)  5
                                       (planchéite)  5.5                                       
Location:  Kaokoland, Northern Namibia.

Specimen Code:  NKO 008

US $ SOLD

                                       

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