Mixed Dark Lepidocrocite 8mm Large Hole Faceted Round - 8 Inch Star Cut Coins Tourmaline is classified as a

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors

Treated quartz that results in a unique blue color

and can display a nearly emerald green color due to the presence of Chromium within the stone

Colorless Zircon of the highest quality has been mistaken for Diamond throughout history

Mixed Dark Lepidocrocite 8mm Large Hole Faceted Round - 8 Inch Star Cut Coins Tourmaline is classified as aAn iron oxide hydroxide mineral, Lepidocrocite forms when iron containing substances rust underwater. It is commonly found in the weathering of primary iron minerals and in iron ore deposits, and can be red to reddish brown. When skillfully cut and polished, those substances add a delicate accent to the otherwise clear gemstone.