Opal Round Cabochons, AAA-Grade Saw Frame oval or other shapes—this chain

oval or other shapes—this chain has round links

or use multiple components on a chain to produce a necklace or bracelet with lots of movement

replaceable BioSpring®

flowing from curved facet to curved facet

Opal Round Cabochons, AAA-Grade Saw Frame oval or other shapes—this chainThis AAA grade natural round opal cabochon is an appealing option for custom jewelry and one of a kind pieces. To bring out the opal's signature flashing colors, it is recommended that you set the gemstone over a black or dark colored layer, or that you heavily oxidize your metal. Opal is the birthstone for October. Opal is a relatively soft mineral that comprises silicon and water and is characterized by and valued for its display of flashing rainbow