variety amethyst, 3.5 cm tall Kakamunurle Mine, Kar0r, Tamil Nadu, India Bill Larson collection, Jeff...Bottom: Quartz variety amethyst, 6.7 cm tall Wattika Mine, Murzinka, Sverdlovskaya Oblast', Russia Peter Lyckberg...lapidary amethyst during that period. The first mine was opened at Valz-sous-Chateauneuf in the middle...include a 1,362-carat cushion-cut gem from the Jacobea Mine, Bahia, Brazil, that is housed in the Smithsonian...variety amethyst, 9.5 cm tall Kakamunurle Mine, Karur, Tamil Nadu, India Neil and Cami Prenn collection |