Australian Boulder Opal 10mm Round - 15-16 Inch latest-8x6TC characterized by its color range

characterized by its color range of black

It is not a mineral

Its origins are still a mystery with some saying it was from a meteorite impact on earth and others believing it was an asteroid burning up in the atmosphere

but truly unique

” the other being Nephrite

Australian Boulder Opal 10mm Round - 15-16 Inch latest-8x6TC characterized by its color rangeBoulder 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.