Australian Boulder Opal Faceted 5mm Round - 15-16 inch 5x10mm It is highly prized for

It is highly prized for its beautiful combinations of colors and for its opalescence — the pearly luster of the opaque stone

Turquoise is one of the oldest known gemstones

cut as rounds are somewhat opaque and powerfully radiant -- fitting since its name originates from the Greek word for "moon

in a variety of swirling and linear patterns

non-crystalline mineraloid consisting of a high percentage of carbon

Australian Boulder Opal Faceted 5mm Round - 15-16 inch 5x10mm It is highly prized forBoulder 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.