Shop › Biwa freshwater pearls with smoky topaz crystal beads earrings Image 1 of 1 Biwa freshwater pearls with smoky topaz crystal beads earrings $32.00 Double layered biwa freshwater pearls with smoky topaz beads make up these beautiful earrings. Add To Cart Added! Double layered biwa freshwater pearls with smoky topaz beads make up these beautiful earrings.