Quartz cabochon with blue Fluorite crystal inclusions, Madagascar. 7.56 carats.

A colourless Quartz cabochon with blue Fluorite crystal inclusions.

The only source of this gem-quality material is Miandrivaso, Fianarantsoa Province in Madagascar which has now been mostly depleted making these highly collectible gemstones a rare collectors item.

Images 4 and 5 are magnified views of the unusually deep blue coloured inclusions in this cabochon.

weight:  7.56 carats
shape:   Oval cabochon
dimensions:   13.60 x 11.12 x 7.03 mm
treatment:  None