Natural precious opal from Australia (Lightning Ridge) - 7,5x7,5x3,5mm, 1,33ct
Natural precious opal from Australia (Lightning Ridge) - 12,4x5,9x3mm, 1,51ct
Natural precious opal from Australia (Lightning Ridge) - 8,4x6,5x3,7mm, 1,26ct
Natural precious opal from Australia (Lightning Ridge) 10,1x9,7x3,9mm.
Natural precious opal from Australia (Lightning Ridge) - 19,8x10,5x2mm, 2,31ct
Natural precious opal from Australia (Lightning Ridge) - 15,9x6,8x3,9mm, 2,53ct
Natural precious opal from Australia (Lightning Ridge) - 9,5x5x2,3mm, 0,75ct
Natural precious opal from Australia (Lightning Ridge) - 10,5x7,5x3,1mm, 1,52ct
Natural precious opal from Australia (Lightning Ridge) - 17,7x9,6x2mm, 2,01ct
Natural precious opal from Australia (Andamooka) - 21,6x15,4x3mm, 6,12ct
Natural precious opal from Australia (Lightning Ridge) - 19,8x9,6x3,3mm, 3,98ct
Natural precious opal from Australia (Coober Pedy) - 11,7x7,1x2,7mm, 1,79ct
Natural precious opal from Australia (Lightning Ridge) - 14,3x8,2x4,7mm, 3,53ct
Natural precious opal from Australia (Lightning Ridge) - 12x9,9x4,6mm, 3,48ct
Natural precious opal from Australia (Queensland) - Boulder opal - 16,3x9,8x5,4mm, 6,59ct
Natural precious opal from Australia (Lightning Ridge) - 9x7,8x2,8mm, 1,23ct
Natural precious opal from Australia (Queensland) - Boulder matrix opal - 25,9x18,9x6mm, 25,27ct
Natural precious opal from Australia (Lightning Ridge) - 23x11,9x3,2mm, 4,81ct
Natural precious opal from Australia (Lightning Ridge) - 16,4x14,7x4mm, 6,71ct
Natural precious opal from Australia (Lightning Ridge) - 13,8x9,2x2,5mm, 2,11ct
Natural precious opal from Australia (Lightning Ridge) - 18,1x10,2x5,1mm, 6,32ct
Natural precious opal Australia (Lightning Ridge) - 18,3x10,5x1,6mm, 2,01ct
Natural precious opal from Australia (Lightning Ridge) - 19x10x2,5mm, 3,27ct
Natural precious opal from Australia (Lightning Ridge) - 7,5x5,8x2,6mm, 0,74ct
Natural precious opal from Australia (Lightning Ridge) - 11x10x2,9mm, 2,59ct
Natural precious opal from Australia (Lightning Ridge) - 11,5x7x3,2mm, 2,21ct
Natural precious opal from Australia (Lightning Ridge) - 8,9x3,9x1,9mm, 0,55ct
Natural precious opal from Australia (Lightning Ridge) - 13x6x2,3mm, 1,07ct
Natural precious opal from Australia (Lightning Ridge) - 10,1x6,5x2,3mm, 1,01ct
Natural precious opal from Australia (Lightning Ridge) - 9,4x7x2,3mm, 1,01ct
Natural precious opal from Australia (Lightning Ridge) - 12,7x5,3x3mm, 1,24ct
Natural precious opal from Australia (Lightning Ridge) - 18,5x11,5x3,4mm, 4,31ct
Natural precious opal from Australia (Lightning Ridge)...