White Howlite 4x6mm Corner Drilled Table Cut Cube Bead - 15-16 Inch R1796 The yellowish colors of heliodor

The yellowish colors of heliodor are usually caused by small amounts of iron within the mineral's crystal structure

It is sometimes used for scalpel blades in cardiac surgery

so the individual beads can be used for pendants

the treated stones are cut

White Howlite 4x6mm Corner Drilled Table Cut Cube Bead - 15-16 Inch R1796 The yellowish colors of heliodorWhite 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.