Ethiopian Opal Beads Plain Rondelles measure approximately 4mm average in diameter size, these gems have a waxy luster with excellent polish, these beads show no visible matrix, these Ethiopian Opal beads have exceptional play of color in yellow-blue-green-red-violet-periwinkle hues, their body colors are cream, golden, orangy yellow, and colorless hues, these Opal beads exhibit a lovely translucent quality, and these superior AA quality Opal gemstones are mined in Ethiopia Africa. Stunning!