Australian Boulder Opal 8-9mm Round Necklace - 15-16 Inch 15-22mm sometimes brecciated patterns

sometimes brecciated patterns

while other impurities in the stone may create veining and rich patterns

Tibet and other Asian countries

ochre browns and deep greens

It has been mistaken for ruby and sapphire at times

Australian Boulder Opal 8-9mm Round Necklace - 15-16 Inch 15-22mm sometimes brecciated patternsBoulder 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. This gemstone strand comes as a complete necklace including a base metal lobster clasp and 2" extender, but you can cut it and