Howlite is a nice, white stone that is commonly dyed to look like much more expensive stones. Turquoise is expensive - Turquoise Howlite is dyed to look a bit like it. This product usually is dyed in such a way to be colorfast. Still, please soak these in the sink before using them! 6mm Turquoise Howlite Gemstone Round beads. Dyed. Sold on 16" (40cm) strands.