Yellow Opal 5-8mm Banded Faceted Rondelle - 18 Inch 48hr_05202025 or black and can be

or black and can be distributed randomly or in bundles or star-like formations

in a variety of swirling and linear patterns

The fibrous asbestos inclusions in the stone give it the flash that inspired its name

Black Oxide

Yellow Opal 5-8mm Banded Faceted Rondelle - 18 Inch 48hr_05202025 or black and can beYellow Opal is transparent to opaque, milky white to pale yellow in color. It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the stone. Unlike other forms of opal, Yellow Opal does not display the changeable flash of internal luster that other opals are known for. Historically Opal was renowned as the Queen of Gems for its desirability and beauty.