Source your bouldr opal ring direct from opal wholesalers and dealers. set in your choive of design for gold boulder opal ring.Boulder opals are good for rings as most are solid with strong fire colours.boulder opals are mined in Queensland Australia. Most popular mining towns are Quilpie and Winton but opal mines are spread over huge are of thousands of kilometres and many opal mines are 2-300 kilometres from any town and the summers are extremely hot in the outback deserts of Australia. Boulder opal is formed in veins thru ironstone material and have an exciting arrange of colours and mixtures. Opal can be clean faced opal or have inclusions of natural brown potch, either way most opals are unique. Gold is a noble metal. It is a beautiful metal for use in jewelry and has an old tradition….Gold is about as soft as lead and is easily scratched. ……….. For some jewellery, a gold alloy is used, the most common being 18k, with 24k being entirely pure. 18k gold contains 75% gold and 25% copper and silver. Traces of other metals may also be present. In lower quality gold, zinc and nickel can also be found….. Allergy to gold is uncommon but it does exist, and then mostly from white gold. In some extreme cases, the copper in the jewelry can "bleed" out and cause greenish discolorings to the tissue….
