Source your boulder opal ring direct from opal wholesalers and dealers. set in your choice 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.or 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. Opal rings with opals from boulder opal fields are popular as each opal is unique and distinct and most are freeform shape. Most opal rings have an opal that displays colour 360 degrees compared to lot pendant opals that only face in one direction. Opal rings can be resized on all claw setting and some bezel settings. Boulder freeform opals are mostly bezel set. Opal rings are available in gold 10.14,18k all hallmarked. To purchase an boulder opal ring you can choose firstly the opal colours that are pleasing to your eye from reds to sunset to green ,blues or combination of all these opal colours. With the boulder opal ring design you can pick a simple elegant design or traditional design or modern design that pleases you. Each boulder opal is unique and make stunning boulder opal rings.