Creating Matrix Opal Veins -a natural formation. Ring Size: P or 7 3/4 US.Opal colour moves across the stone as the stone moves. Photo's are of the Opal Item available. This item is in the category "Jewellery & Watches\Fine Jewellery\Rings". The seller is "jasmine-opals_australianjewelleryandgemstones" and is located in this country: AU. This item can be shipped worldwide.