White Howlite 5x15mm Flat Chip 8-Inch - CLEARANCE Size_8-9mm meaning it forms by replacing

meaning it forms by replacing another mineral’s crystal structure atom by atom with its own crystal structure

the colors are naturally occurring

sodalite and pyrite

and is traceable to virtually all ancient civilizations

Sardonyx is sometimes treated to bring out its reddish tones

White Howlite 5x15mm Flat Chip 8-Inch - CLEARANCE Size_8-9mm meaning it forms by replacingWhite 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 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.