Dioptase with Planchéite on Quartz – NKO 005

Dioptase with planchéite on quartz

Measurements:  55 x 48 x 36 mm

Description:   Small, gemmy clusters of dioptase crystals (crystals up to about 4 mm long, and the largest cluster ± 20 x 18 mm) sit on quartz matrix, partially coated with a thin layer of planchéite.

There is minimal damage to the dioptase.

Weight of Specimen:  62 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 005

US $ 150

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