The best opal & black opal gemstones come from lightning Ridge 3 mile road NSW Australia 2834 : turn off the main highway the first bitumen road in the township of lightning Ridge on the right-hand side is the 3 mile road ,8 kilometres drive straight then along the dirt 3 mile road for another 5 kilometres. Left-hand side you will see the the famous black hand opal mine drive straight on 200 meters to the famous and largest black opal mine in the world.  

Info Opal jewelry  http://www.grahamblackopal.com