Australian Boulder Opal 4mm Cube Faceted - 15-16 Inch Shape_Collar Each stone is unique in

Each stone is unique in terms of its patterns

Distinctive for its purple-and-gray tones

Its inclusions of golden tones to rust to red are due to traces of hematite embedded in the stone

the result was glass permeated with thousands of tiny metallic sparkles

with inclusions of white to colorless translucent or transparent

Australian Boulder Opal 4mm Cube Faceted - 15-16 Inch Shape_Collar Each stone is unique inBoulder 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.