Amethyst Quartz Crystal with Prehnite – NBB 050

Description:  A light amethyst quartz crystal with interesting gas inclusions and a small prehnite crystal attached to the middle of it. The termination has no damage; the lower part of the crystal has a few nicks.

Chemical Composition:  SiO₂  (quartz)                                                                                                  Ca₂Al₂Si₃O₁₀(OH)₂    (prehnite)                       

Hardness on Mohs Scale:  (quartz)  7
                                      (prehnite)  6-6.5

Location:  Brandberg, Namibia.

Specimen Code:  NBB 050

US $ 85