Set of 2 Pietersite Plain Marquise Focal Beads exhibit a vitreous luster having chatoyancy throughout the beads in a medium to dark blackish indigo blue hue with a silvery cat's eye phenomenon, the symmetrical marquise gems have good polish creating a dark shimmering quality to the opaque gems. A stunning example of rare South African Pietersite in a larger than average sized focal beads that are one of a kind.