Yellow Opal 12-16mm Irregular Faceted Coin A Grade - 15-16 Inch R1797 or merlinite

or merlinite

everything from colorless to black

with inclusions of iron oxide

giving some rubies a slightly brownish or purplish tint

*These beads are "diamond cut"

Yellow Opal 12-16mm Irregular Faceted Coin A Grade - 15-16 Inch R1797 or merliniteYellow 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.