Shattuckite, Malchite and Planchéite on Quartz Matrix – NKO 001 

Description:  A piece of broken malachite sits on a thin coating of velvety-blue shattuckite which, in turn, sits on rock crystal with coatings of pale blue planchéite.

The bottom of the specimen has been trimmed to display better, and reveals a pocket lined with blue shattuckite and malachite.

Chemical Composition:  Cu₅(OH)₂(SiO₃)₄  (shattuckite)                                                      Cu₈Si₈O₂₂(OH)₄•(H₂O)  (planchéite)
                                   Cu₂+(CO₃)(OH)₂  (malachite) 
                                   SiO₂  (quartz)

Hardness on Mohs Scale:   (shattuckite)  3.5   
                                       (planchéite)  5.5
                                       (malachite)  3.5-4
                                       (quartz)  7

Location:  Kaokoland, Northern Namibia.

Specimen Code:  NKO 001

US $ SOLD