STUNNING "Blue Opal" Skull This skull is hand carved and hand polished . its a super realistic carving ( high quality ). meaning : very detailed : teeth ,nose , eye sockets , jaws. Blue opal primarily originates from Peru, known for its common blue opal, and also from Indonesia, the USA (Oregon, Nevada, Idaho), Brazil, and Slovakia. Peruvian blue opal is a common, opaque blue-green stone, while the rare, blue-green Paraiba opal comes from Brazil and Peru. Oregon blue opals, also known as Owyhee opals, are typically pastel blue Eye catcher and conversation starter