Dioptase Crystals on Quartz and Planchéite - NKO 012

Gemmy, dioptase crystals on quartz and plancheite

Measurements:  33 x 26 x 20 mm

Description:  High quality, gemmy dioptase crystals (up to 6 mm long) sit on unknown crystals (possibly quartz), covered with planchéite.

The specimens has some small nicks to the dioptase.

Weight of Specimen:  15.3 g

Chemical Composition:  Cu2+SiO2(OH)2  (dioptase)
                                       Cu8Si8O22(OH)4•(H2O)  (planchéite)
Hardness on Mohs Scale:   (dioptase)  
                                           (planchéite)  5.5                                       

Location:  Kaokoland, Northern Namibia.

Specimen Code:  NKO 012


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