White Howlite 8mm Cross - 15-16 Inch 2-10mm mineral deposits can create stone

mineral deposits can create stone in the place of the decaying wood

Obsidian ranges in color from opaque black

it is cut and polished to look just like a Quartz gemstone

Petrification occurs when the wood is covered by sedimentary rock

White Howlite 8mm Cross - 15-16 Inch 2-10mm mineral deposits can create 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 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.