Kingman Turquoise 3-6mm Blue with Matrix Pebble Bead - 15-16 Inch birthstone_opal It is the green form

It is the green form of Beryl

an elusive stone with unique coloring

The best available information indicates that the stone is a type of Dolomite that has been altered by volcanic activity

its long history of Native Americans mining and adorning themselves with Lone Mountain turquoise going back possibly to pre-historic times

Kingman Turquoise 3-6mm Blue with Matrix Pebble Bead - 15-16 Inch birthstone_opal It is the green formKingman 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.