6.5-13mm Peruvian Blue Opalina plain rounds 20 inch 59 beads AAA

Peruvian Blue Opal plain round beads have a waxy luster, exhibit great polish, show a symmetrical round shape, have excellent depth of color, and are well matched throughout the strand. These Blue Opal plain rounds exhibit a dark strongly greenish blue hues in an opaque quality mined only from the Andes Mountains,Peru and are richly hued with natural Copper mineral content. AAA grade