Opal Round Cabochons, AAA-Grade Cord Chains but the links themselves are

but the links themselves are ideal connection points for drops

tweezers etc

Then pour an RTV compound over the top half and allow it to cure

the other has a high polish

a date or other information

Opal Round Cabochons, AAA-Grade Cord Chains but the links themselves areThis 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