18.48ct Koroit Boulder Opal Boomerang Stone | #23

Australian Boulder Opal: Weight (carats) 18.48cts Dimensions (millimeters) 33.01mm x 13.39mm x 5.16mm Origin Koroit Mining District, Queensland, Australia Shape polished freeform cabochon cut boomerang  Colors purple, violet Brightness of Color Play (-1 to 5+) 1.5 Darkness of Body (+1 to 5-) N/A Treatments / Enhancements none, natural SKU Number #23 Additional Notes: Thickness of this stone makes it a versatile option for use in rings, pendants, and bracelets.  This stone is Quilpie boulder opal from Queensland, Australia.  Natural fractures have been left in the stone to intentionally prioritize size and color brightness.