Australian Boulder Opal 6mm Round - 15-16 Inch Mixed each cavity is slightly larger

each cavity is slightly larger (or smaller) than the other to give the user the ability to tighten the crimp properly

one of the most recognized turquoise-producing regions in the world

The Sleeping Beauty mine ceased producing Turquoise in 2012

Emerald and Heliodore -- and is often cut to highlight its chatoyant qualities

Australian Boulder Opal 6mm Round - 15-16 Inch Mixed each cavity is slightly largerBoulder Opal is a golden brown to dark brown stone, displaying these colors in patterns of parallel bands. It is considered a precious Opal, and forms within a host rock such as ironstone or sandstone. Boulder Opal is believed to help with spiritual development, as well as with reconciling conscious and unconscious thought.