Dioptase Crystals on (?)Planchéite / Shattuckite – NKO 006 

Dioptase crystals on a (?)planchéite / shattuchite matrix


Measurements:  23 x 13 x 11 mm

Description:  A small specimen consisting of dioptase crystals, up to 8 mm long, on a (?)planchéite / shattuchite matrix. 

The three larger crystals have only a few minute nicks, while some of the small crystals near the edges have a few nicks.

Weight of Specimen:  3.6 g

Chemical Composition:  Cu2+SiO2(OH)2  (dioptase
                                       Cu8Si8O22(OH)4•(H2O)  (planchéite)
 
                                       Cu5(OH)2(SiO3)4  (shattuckite)     

Hardness on Mohs Scale:  (dioptase)  5
                                          (planchéite)  5.5   
                                          (shattuckite) 
3                              

Location:  Kaokoland, Northern Namibia.

Specimen Code:  NKO 006

US $ SOLD

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