This product is an 11 ct natural Ethiopian fire opal cabochon with a rainbow front and green flash back. It is a translucent gemstone with a bi-color/multicolor appearance, exhibiting excellent opalescence. The oval cabochon shape and polished finish make it a stunning and unique loose gemstone for jewelry and watch making. With its natural origin and eye-clean clarity, this Ethiopian fire opal adds a touch of elegance and rarity to any piece of jewelry.