Ametrine 9x12mm Centre Drilled Nuggets

Ametrine Approx 9x12mm Nuggets, Centre Drilled Gemstone Beads (~57pce Strand) - 40cm/16'" Strand.

Ametrine, also known as Trystine or by its trade name as Bolivianite, is a rare and unusual stone. Ametrine is a naturally occurring variety of quartz where amethyst and citrine exist in the same crystal. The colour of the zones visible within Ametrine is due to differing oxidation states of iron within the crystal.