Australian Boulder Opal 6-14mm Graduated Coin Necklace - 15-16 Inch Sunset South Africa in areas where

South Africa in areas where gold was found

A natural blue form of calcium sulfate

It is a variety of banded Chalcedony with layers that may contain scarlet

Kyanite often occurs as long

most crystals are translucent

Australian Boulder Opal 6-14mm Graduated Coin Necklace - 15-16 Inch Sunset South Africa in areas whereBoulder 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