Crystal opal is characterized by soft pastel colors dispersed in a milky base. The base color is white, gray-white to yellowish. It is always accompanied by a general opal, the so-called plush (the same color as the matrix). White opal is found in layers of clay.
Natural precious opal from Australia (Lightning Ridge) - 13,2x12,1x2,7mm, 2,81ct
Precious opal from Australia - Coober Pedy - 6x6x1,6mm, 0,33ct
Precious opal from Australia - Coober Pedy - 8,1x8,2x2,8mm, 8,1x8x2,8mm, 2,19ct
Natural precious opal from Australia (Lightning Ridge) - 19x13,8x2,3mm, 3,43ct
Natural precious opal from Australia (Lightning Ridge) Crystal 9,5x5,1x3,1mm
Natural precious opal from Australia (Coober Pedy) Crystal opal N7, brillance 4, 12,8x7x2,1mm, 1,27ct
Natural precious opal from Australia (Coober Pedy) Crystal opal N7, brillance 4,2, 12,5x8,7x2mm, 1,34ct
Natural precious opal from Australia (Lightning Ridge) 36,1x22,5x5-2mm, 20,77ct
Natural precious opal from Australia (Lightning Ridge) 15,7x7,3x5,1mm, 3,74ct
Natural precious opal from Australia (Lightning Ridge) - Crystal Opal, 37,7x10x3,8mm, 8,98ct
Natural precious opal from Australia (Lightning Ridge) - Crystal Opal, 20x7,8x2,6mm, 2,77ct
Natural precious opal from Australia (Lightning Ridge) - Crystal Opal, 13x9x2,6mm, 1,94ct
Natural precious opal from Australia (Lightning Ridge) - Crystal Opal, 15x11x4mm, 3,88ct
Natural precious opal from Australia (Lightning Ridge) - Crystal Opal, 19x14x3,4mm, 5,69ct
Precious opal from Australia - Coober Pedy - 4 pcs, 5,9x5,9x1,6mm, 5,7x5,8x1,8mm, 5,9x5,9x1,7mm, 5,7x5,8x1,7mm, 1,43ct total
Natural precious opal from Australia (Lightning Ridge) - 16,9x7,9x3,1mm, 2,19ct
Natural precious opal from Australia (Coober Pedy) - 11,9x7,1x2,1mm, 6,2x4,2x1,9mm, 1,39ct
Natural precious opal from Australia (Coober Pedy) - 12x8,1x2,1mm, 6,9x5x1,9mm, 1,49ct
Natural precious opal from Australia (Lightning Ridge) - 13,7x13,5x4mm, 4,44ct
Natural precious opal from Australia (Lightning Ridge) - crystal opal, 18,8x15,9x4mm, 5,42ct
Natural unworked precious opals. Australian Opals - Crystal Opal from the Lightning Ridge area. A bottle with a plug and no water. 27x13mm
Australia's Natural Dear Opal (Lightning Ridge) - brilance 4,6, 14,9x7x3mm, 1,92ct
Natural precious opal from Australia (Lightning Ridge) - 21,7x10,2x2,6mm, 2,74ct
Natural precious opal from Australia (Lightning Ridge ) - 19,4x16,3x2,9mm, 6,24ct
Natural precious opal from Australia (Lightning Ridge) - 16,5x3,9mm, 6ct
Natural precious opal from Australia (Lightning Ridge) - 8,3x5,3x2,4mm, 0,63ct
Natural precious opal from Australia (Lightning Ridge) - 9,2x4,5 x1,9mm, 0,53ct
Natural precious opal from Australia (Andamooka) - 21,6x15,4x3mm, 6,12ct
Natural precious opal from Australia (Coober Pedy) - 11,7x7,1x2,7mm, 1,79ct
Natural precious opal from Australia (Lightning Ridge) - 9x7,8x2,8mm, 1,23ct
Natural precious opal from Australia (Lightning Ridge) - 7x3,8x3mm, 0,47ct
Natural precious opal from Australia (Lightning Ridge) - 18,5x11,5x3,4mm, 4,31ct
Natural precious opal from Australia (Lightning Ridge)...