A Quartz cabochon from China with Fuchsite Mica inclusions.

The inclusions are a very dark green colour, almost black on first sight, and are distributed through the transparent Quartz in random orientation.

On close examination, the mica particles are revealed to be masses of thin platelets stacked together in clumps, as shown in magnified images 4 and 5.

weight:  65.87 carats
shape:   Oval cabochon
dimensions:   34.30 x 24.80 x 9.17 mm
treatment:  None