Dioptase Crystals on Matrix – NKO 017

Dioptase crystals on matrix



Measurements:  33 x 21 x 19 mm

Description:  A cluster (± 13 x 11 mm) of lovely green dioptase crystals sit on a rock matrix covered with a sprinkling of (?)planchéite. 

The crystals towards the side have several pressure marks and some damage, and a few crystals have minute to small nicks.

Weight of Specimen:  15.0 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 017

US $ SOLD 


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