White Howlite 8mm Faceted Bicone - 15-16 Inch Powder Blue Impression Jasper Turquoise is one of the

Turquoise is one of the oldest known gemstones

It is opaque and occurs in a wide variety of colors

aluminum oxide and other metal oxides

These form as a criss cross banding called lamellae

consisting of opaque rust to red glass with tiny flecks of glittering copper suspended within it

White Howlite 8mm Faceted Bicone - 15-16 Inch Powder Blue Impression Jasper Turquoise is one of theWhite Howlite is named for Canadian mineralogist Henry How, who first discovered the stone in Southern California in 1868. It is typically white or light gray with gray, black or brown veins running through it in web to like patterns. Because of its softness, Howlite can be easily dyed and is often treated to be blue for use as a substitute for turquoise.