Australian Boulder Opal 4mm Cube Faceted - 15-16 Inch Shape_Collar and it is the official

and it is the official birthstone of that month

Each stone is unique in terms of its patterns

and inlay placement should be expected

the result was glass permeated with thousands of tiny metallic sparkles

It is said to bring strength

Australian Boulder Opal 4mm Cube Faceted - 15-16 Inch Shape_Collar and it is the officialBoulder 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.