Precious opal from Ethiopia - Wello - 14,4x8,2x5,6mm, 2,96ct
Natural precious opal from Australia (Queensland) - Boulder Opal 10,7x7,6x2,9mm, 2,46ct
Natural precious opal from Australia (Lightning Ridge) - 7x5,1x4mm, 0,79ct
Natural precious opal from Australia (Lightning Ridge) - 19,3x10x4,4mm, 4,93ct
Natural precious opal from Australia (Lightning Ridge) - 14,3x9,6x2,9mm, 2,37ct
Natural precious opal from Australia (Coober Pedy) - 8x6,1x2,4mm, 8x6,1x2,1mm, 1,55ct
Natural precious opal from Australia (Coober Pedy) - 8x6x2,7mm, 7,9x6,2x2,6mm, 1,69ct
Natural precious opal from Australia (Coober Pedy) - 8x5,8x1,9mm, 8x6x2mm, 1,26ct
Precious opal from Ethiopia - Wello - 18,9x14,2x6,1mm, 9ct
Precious opal from Ethiopia - Wello - 14,3x11,3x5mm, 3,78ct
Precious opal from Ethiopia - Wello - 25,3x5,8x4mm, 2,81ct
Precious opal from Ethiopia - Wello - 9,7x6,8x3,9mm, 1ct
Natural precious opal from Australia (Lightning Ridge) - 17,2x12x5mm, 5,31ct
Natural precious opal from Australia (Lightning Ridge) - 15x8,8x2,8mm, 2,1ct
Natural precious opal from Australia (Lightning Ridge) - 12,8x11,5x3,8mm, 3,31ct
Cantera Opal, Mexico, 11,9x11,7x4,8mm, 3,5ct
Cantera Opal, Mexico, 24x10x6,4mm, 7,5ct
Cantera Opal, Mexico, 12x10,2x4,6mm, 2,83ct
Natural precious opal from Australia (Lightning Ridge) - 17,4x11,6x4,9mm, 5,85ct
Natural precious opal from Australia (Lightning Ridge) - 19,6x10,7x5,2mm, 5,77ct
Natural precious opal from Australia (Lightning Ridge) - 29,7x10,1x3,9mm, 7,51ct
Natural precious opal from Australia (Lightning Ridge) - 20,1x13,1x2,4mm, 4,88ct
Natural precious opal from Australia (Lightning Ridge) - 16,8x8x3,6mm, 3,73ct
Natural precious opal from Australia (Lightning Ridge) - 12,2x10,1x2,8mm, 2,22ct
Natural precious opal from Australia (Lightning Ridge) - 15,3x10,3x2,1mm, 2,14ct
Cantera Opal, Mexico, 15,1x14,8x6,6mm, 7,7ct
Cantera Opal, Mexico, 18,6x10,7x3mm, 2,92ct
Cantera Opal, Mexico, 20,9x11,5x6mm, 8ct
Cantera Opal, Mexico, 17,4x11,5x3,5mm, 3,44ct
Cantera Opal, Mexico, 18,4x10,9x5,5mm, 6,86ct
Cantera Opal, Mexico, 19,8x13x3,2mm, 4,62ct
Natural precious opal from Australia (Lightning Ridge) - 13,5x7,6x3,3mm, 1,93ct
Natural precious opal from Australia (Lightning Ridge)...