Yellow Opal 5-8mm Banded Faceted Rondelle - 18 Inch Stone Type_Flower Agate clear to milky white to

clear to milky white to dark green

an opaque silicon dioxide mineral and form of microcrystalline Chalcedony

Trolleite is known for its greasy appearance and subdued shine

also known as Prase

Yellow Opal 5-8mm Banded Faceted Rondelle - 18 Inch Stone Type_Flower Agate clear to milky white toYellow 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.