Ethiopian Opal Beads Faceted Rondelles measure approximately 3.5mm to 4mm in diameter size, these Opal gemstones have a waxy luster with excellent polish and faceting, 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 light hue, provides a lovely AA quality, and these world class Opal are mined in Ethiopia Africa.