black opal
Australian rainbow stone
Black opal is a variety of opal with a dark body tone—deep blue, gray, or black—against which the stone's characteristic color play appears more vivid and dramatic.
Most prized specimens come from Lightning Ridge in Australia.
Black opals are among the rarest and most valuable opals: The black opal in her ring flashed green and red fire.
- play-of-colorInternal spectral shifting
- color barCalibration reference graphic
- silicaSilicon dioxide compound
- pendantSuspended jewelry ornament
- gemstoneOrnamental cut mineral
gem quality · natural beauty · cabochon · doublet · iridescence · Australian outback · opalescence · triplet · amorphous · birthstone · sedimentary rock · mineraloid · bezel setting · volcanic rock · water content · flash · lightning · deep