Antique 14K, 10K & Black Boulder Opal conversion Ring art then later as a necklace

then later as a necklace

feminine feel

sophisticated piece you'll find yourself reaching for every day

Dimensions: 1 5/16" including bale

Each link has faceted edged links

Antique 14K, 10K & Black Boulder Opal conversion Ring art then later as a necklaceBlack opals are exceptionally rare in that they are known to form in only one place: Australia. Boulder opal is found in cracks, crevices and cavities. Silica from dissolved sand trickled down cracks and crevices in ironstone boulders and the silica precipitated out of solution. Generally, the opal is found within boulders which need to be broken open. These are found in clay layers just above the ironstone. These gems have been considered for