These Australian Boulder Opal plain oval tube beads are 13x8.5-22x14.5mm in size and come in a set of 17 pieces, measuring 13.5 inches long. They possess a waxy luster and have an opaque body made from Australian ore, adorned with vibrant flashes of Periwinkle Blue and Multi Color. The beads feature a rich chocolate brown matrix and a scattered Play of Color, these Opal beads originate from Australia and provide consistent quality throughout the well-matched strand. They have been graded as AA for their exceptional quality.