Kingman Turquoise 6mm Blue Brown Rondelle - 15-16 Inch R0301 Common Opals such as White

Common Opals such as White African Opal are believed to provide gentle

The Ruby inclusions in this stone are pink to reddish purple to dark purple

black with a golden sheen

It is a member of the Quartz family

and this can be confirmed under magnification

Kingman Turquoise 6mm Blue Brown Rondelle - 15-16 Inch R0301 Common Opals such as WhiteKingman turquoise, mined in the Acerbate Mountains near Kingman, Arizona, is renowned for its vibrant, intense blue hues, often featuring a black, "water web" matrix. Operated by the Colbaugh family, the mine is one of the largest and oldest producers of American turquoise, famous for producing nuggets in a wide color range from pale blue to dark green.