Australian Boulder Opal 4mm Faceted Round - 15-16 Inch New Banded Rounds The stone can also include

The stone can also include its namesake sage green

Blue Apatite

as well as grays

The color of Green Aventurine comes from Fushite particles within the quartz

It was named from the Latin "Thule" - which was a term used by ancient Greeks and Romans to refer to the then-little-known lands to the north or present day Scandinavia

Australian Boulder Opal 4mm Faceted Round - 15-16 Inch New Banded Rounds The stone can also includeBoulder 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.