Amethyst / Smoky Quartz Crystal with Rainbows - NBB 113

Quartz crystal with rainbows, amethyst and smoky colouring and analcime crystals

Measurements:  85 x 28 x 19 mm

 Description:  A clear quartz crystal with clouds of amethyst and smoky colouring. The crystal has two rainbows inside, and a few very small analcime crystals on the surface. A few small nicks have greatly reduced the price of this nice specimen.

Chemical Composition:  SiO2 (quartz)
                                   NaAl(Si2O6)•(H2O)  (analcime)

Hardness on Mohs Scale:  (quartz)  7
                                      (analcime)  5                                     

Location:   Brandberg, Namibia.

Specimen Code:  NBB 113

US $ 400

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