Australian Boulder Opal 4mm Faceted Round - 15-16 Inch New Banded Rounds The color of Green Aventurine

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

” Due to this variety of colors

Its soft chatoyancy is reminscent of the moon's light

which may form green stains or specks on Azurite crystals or aggregates

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 color of Green AventurineBoulder 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.