A prayer bead from rhinoceros wood

A prayer bead made of petrified wood called Rhino Wood because it resembles a unicorn horn in shape and is considered one of the rarest woods since its origin and source are unknown. It is extracted from underground in Brazil. Number of beads: 41 beads. Bead size: 10 * 14 millimeters. Note: the shapes of the beads may differ from the picture.