AAA+ Grade Natural Fine Fire Opal - Round Cabochon - Ethiopia Mined\ Natural Gems Only: 100% Earth Mined No Synthetics, No Simulants Full Disclosure of Any Treatments Our gemstones are hand-selected with a strict criteria for cut, clarity, and color. All of our gemstones are inspected, evaluated, and screened by a GIA Certified Gemologist to guarantee quality and accuracy in grading. MM size is the best measurement to select the right gemstone size. All gem carat weights are approximate. Natural Fire Opal - 1.5mm = .01ct Species: Opal Shape/Cut: Round Cabochon Quality: AAA+ Clarity: Clean + Color: Extra Fine Color Play Polish: Excellent RI: 1.45 Specific Gravity: 2.15 Hardness (Mohs): 5-6.5 Treatment: None Origin: Ethiopia