x 29 x 20 mm
multi-terminated quartz crystal with patches of light amethyst
colouring and a small negative crystal inclusion. In one of the
terminations is a minute moving bubble (magnification needed). When
tilted in light, a rainbow can be seen.
has a few neat pressure marks and small nicks.
Weight of Specimen:
Hardness on Mohs
Location: Brandberg, Namibia.
Specimen Code: NBB 230