Yellow Opal 6-7mm Table Cut Cube - 15-16 Inch blood quartz This variety of opal is

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns

such as China

botryoidal

gray and white

It is known for its colors -- dark green and mustardy yellow

Yellow Opal 6-7mm Table Cut Cube - 15-16 Inch blood quartz This variety of opal isYellow 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.