Very Rare Perfect Transparent Mexican Fire Opal Crystal 3,300ct - 12.98×10.35×5.76 mm - 0.66 g Queretaro, Mexico More
Large "Crystal Clear" A + Crystal Opal Untreated 518.5ct - 60.92×51.31×40.04 mm - 103.7 g Ethiopia More
Fantastic Australian Opal 12 ct Full Vivid Rainbow Colors Cabochon - 18.8×15.6×4.6 mm - 2.4 g Australia More
October - Opal - Tourmaline Bracelet 925 silver bracelet with 14 natural black fire opals, - 20×0.8×20 cm - 14 g Thailand More
Fantastic Australian Pair Opal - Vivid Full Fires 3.60 ct Cabochons - 12.5×7.5×2.2 mm - 0.72 g Australia More