Australian Boulder Opal 5-6mm Round Necklace - 15-16 Inch 10-12 made up of of smaller

made up of of smaller crystals

Hypersthene is often categorized as enstatite or ferrosilite

black or brown veins running through it in web to like patterns

Tourmalated Quartz is clear Quartz that has formed with Black Tourmaline

Blood Quartz is a clear to milky to white silicon dioxide mineral

Australian Boulder Opal 5-6mm Round Necklace - 15-16 Inch 10-12 made up of of smallerBoulder 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