Pietersite plain oval beads exhibit a vitreous luster having chatoyancy throughout the strand of gems in a medium to dark blackish denim blue hue with a silvery cat's eye phenomenon, the symmetrical oval gems have good polish creating a dark shimmering quality to the opaque gems showing areas of their Tiger's Eye golden hues. A stunning example of rare South African Pietersite in a larger than average sized puffy body straight drilled oval bead. AAA