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