Unusual Wavy Hypersthene Rectangle Beads - Large 22mmPrice is per 16 inch strand of these unsual wavy beads. Each bead measures 22mm x 15mm x 5mm, driled ready to thread about 19 to the strand. The name hypersthene is Greek: hyper, meaning "extreme" and sthenos, "strength", although as gemstones go, it has only medium hardness. It is a type of splintery granite stone with a silky, pearly luster occurring in black, brown, gray or green. Hypersthene is believed to help dispel irritation. Some also say it