Measurements: 57 x 25 x 24 mm
Description: A quartz crystal with faint clouds of amethyst and smoky colouring, one fair sized (about 2 mm in diametre) and a few small and minute moving bubbles. The crystal also has interesting gas inclusions, some tending to negative crystal inclusions.
to be (at first glance) a bad nick to the termination point, is actually a contact mark.
The crystal has pressure and contact marks near its base, and a flaw.
Chemical Composition: SiO2
Hardness on Mohs Scale: 7
Specimen Code: NBB 135
US $ 85