Australian Opal Lightning Ridge Australian Black Opal October 5, 2023 eyesdesire Lightning Ridge Australian Black Opal by CutOpal Carat weight: 0.55 cts Dimensions: 7.8mm x 6.0mm x 1.8mm Mining region: Lightning Ridge Body tone: N2 Tweet Share 0 Skype Reddit +1 Pocket Pinterest 0 LinkedIn 0 Email