Natural precious opal from Australia (Lightning Ridge) - 8,7x3,6x2,1mm, 0,32ct
Natural precious opal from Australia (Lightning Ridge) - 15,3x6,5x3,2mm, 1,89ct
Natural precious opal from Australia (Lightning Ridge) - 10x7x2mm, 0,91ct
Natural precious opal from Australia (Lightning Ridge) - 7,5x7,5x3,5mm, 1,33ct
Natural precious opal from Australia (Lightning Ridge) - 9,2x4,5 x1,9mm, 0,53ct
Natural precious opal from Australia (Lightning Ridge) - 12,4x5,9x3mm, 1,51ct
Natural opal from Australia (Queensland) - Boulder opal - 19x17x5,5mm
Natural precious opal from Austra lia (Lightning Ridge) - 19,6x12,2x3,5mm, 5,98ct
Natural precious opal from Australia (Lightning Ridge) - 14,5x6x2,2mm, 1,44ct
Natural Opal from Australia (Queensland) - Boulder Opal - 47x23x5mm
Natural Opal from Australia (Queensland) - Boulder Opal - Yowah - 27x22mm
Natural Opal from Australia (Queensland) - Boulder Opal - 9,3x8,6x3mm, 2,45ct
Natural Opal from Australia (Queensland) - Boulder Opal - 22,2x12,7x5,2mm, 15,89ct
Natural Opal from Australia (Queensland) - Boulder Yowah Opal - 28x22mm
Natural precious opal from Australia (Lightning Ridge) - 8,4x6,5x3,7mm, 1,26ct
Natural precious opal from Australia (Lightning Ridge) 5,2x4,7x3,6mm
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) - 17,9x10,7x3,9mm, 4,87ct
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) - 14,4x11,8x1,8mm, 2,07ct
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)...