Australian Boulder Opal 4mm Cube Faceted - 15-16 Inch Shop by Shape and was first discovered in

and was first discovered in 1854 in Norway

but it can also occur as orange

not angled

as well as gray and white inclusions in marbled patterns

until the 17th century Crystal Quartz was believed to be permanently frozen water

Australian Boulder Opal 4mm Cube Faceted - 15-16 Inch Shop by Shape and was first discovered 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.