White Howlite 5x15mm Flat Chip 8-Inch - CLEARANCE BlackRed Black Spinel not only has

Black Spinel not only has the dark color

created when silica hardens within the fissures of other stones

displaying these colors in patterns of parallel bands

A manganese carbonate material of the Calcite group

Rhodochrosite is a bubblegum pink to rose red stone

White Howlite 5x15mm Flat Chip 8-Inch - CLEARANCE BlackRed Black Spinel not only hasWhite 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.