Kingman Turquoise 4-6 Graduated Faceted Rondelle - 16-17 Inch july_carnelian orange and rust are due

orange and rust are due to traces of hematite within the stone

sapphires get their various colors from trace elements

Hematite is an iron oxide and one of the few gemstones with a metallic luster

Fluorite is a luminous

Kingman Turquoise 4-6 Graduated Faceted Rondelle - 16-17 Inch july_carnelian orange and rust are dueKingman 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.