White Howlite 30mm Coin 8-Inch R1853 also known as the Stone

also known as the Stone Age

Onyx is a black and white banded Chalcedony

It's soft chatoyancy is reminscent of the moon's light

and most commonly found with black inclusions

giving some rubies a slightly brownish or purplish tint

White Howlite 30mm Coin 8-Inch R1853 also known as the StoneWhite 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.