Ametrine all-natural quartz that is a combination both Citrine and Amethyst creating a truly stunning mix of colors within these exquisite stones. Coming from only one mine in the world located in Bolivia this stunning stone is a rare beauty. This piece features some of the brightest and best shades of purple and golden yellow ametrine has to offer, weighing 172.37 cts. measuring 33X30X18 mm and being internally clean your creation will be truly mesmerizing when finished.