Kingman Turquoise 6mm Blue Brown Rondelle - 15-16 Inch R0301 black with a golden sheen

black with a golden sheen

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

It may also contain rainbow to colored or sparkling inclusions

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 black with a golden sheenKingman 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.