Dioptase Cluster with Planchéite – NKO 014

Description:  A small, gemmy cluster of small dioptase crystals with bits of planchéite attached. The specimen has only minimal damage.

Weight of Specimen:  2.4 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 014

US $ 25