Trapiche amethyst radiates six spokes from a central hub — a wheel pattern of growth sectors and inclusions echoing Colombia’s famous trapiche emeralds, but in purple quartz. Each slice is a natural mandala, and no two wheels ever match.GEMIC Institute’s trapiche amethysts are natural, certified in our Siem Reap laboratory and photographed individually — you choose the exact wheel you’ll own. Unique pieces; worldwide tracked shipping, 30-day inspection period.