Shop › “Opal” Moon Phase Dangles Image 1 of 1 “Opal” Moon Phase Dangles $25.00 Sparkling, iridescent, “opal” inspired moon phase earrings; fixed with gold, stainless steel ball studs. Quantity: Purchase Added! Sparkling, iridescent, “opal” inspired moon phase earrings; fixed with gold, stainless steel ball studs.