Australian Opal Beads Faceted Rounds have a waxy luster with good faceting creating a fairly symmetrical round shape, the beads show a moderate matrix of a bluish grey hue, these Australian Opal beads have fair play of color in blue-violet-yellow hues, their body colors are a dark bluish grey to a light cream hue, these gems present with translucent to an opaque quality, and these average sized rounds in Opal are mined in Australia.