Ametrine is a combination of amethyst and citrine in the same stone. It is a member of the quartz family with a hardness of 7 and a hexagonal (trigonal) crystal system.
Colorado Mineral & Fossil Show (Fall)
September 9 – 15, 2013
Ramada Plaza Hotel (formerly Holiday Inn)
4849 Bannock St.
Denver, CO 80216-1813