Australian Boulder Opal 6-14mm Graduated Coin Necklace - 15-16 Inch Shape_Tyre rendering its black especially deep

rendering its black especially deep and mysterious

or even multi-colored

and we offer it when we can

with striking patterns of parallel banding

They are known for their organic and rustic appearance

Australian Boulder Opal 6-14mm Graduated Coin Necklace - 15-16 Inch Shape_Tyre rendering its black especially deepBoulder 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