BRA-HOW-01 Origin: Zimbabwe Grade: A Dimensions: Approximately 17-18cm - Fits all wrists sized 16 to 18cm Weight: Approximately 20g Origin: Zimbabwe Grade: A = good Elastic bracelet made of 7-8mm howlite beads Patterns and colors may vary from one bracelet to another Howlite is a stone belonging to the calcite group. It is composed of silicon, calcium silicate, and a significant amount of boron. More specifically, it is a hydroxylated calcium borosilicate. Its crystallization system is rhombohedral, meaning it resembles a sort of cube with faces that are not square but diamond-shaped.