Boulder Opal Picture Stones:
Picture stones are opals which, when polished, contain a picture or image on the face of the stone. They are rare and collectible, and can be made into interesting jewellery pieces. Picture stones are truly one-of-a-kind items. A few examples are shown below:
Boulder Opal with Beach Scene: This 44.68 carat opal pictures a tropical beach scene.
Boulder Opal with Face of Owl: This 39.23 carat opal pictures the likeness of an Owl.
