Peruvian Blue Opal unfaceted Rondelles have a waxy luster, exhibit good polish, show a symmetrical shape, have generous width, and are well matched for quality throughout the strand. These Blue Opal rondelles exhibit moderate beautiful brown and tan matrix with bead color ranging from a dark strongly greenish blue hue to a medium olive green hue to a medium light grayish blue hue. These Peruvian Blue Opal rondelle beads are a mostly opaque with areas of translucent quality mined from Andes Mountains of Peru. AA grade