Off White Ethiopian Opal Beads Faceted Rondelles measure approximately 4mm average diameter size, these Opal gemstones have a waxy luster with excellent polish, these beads show no visible matrix on their translucent bodies, these Ethiopian Opal beads have excellent play of color in blue-green-red-orange hues, their body color is a soft white hue, provides a lovely AA quality, and these world class Opal are mined in Ethiopia Africa.