The product consists of approximately 1 pound of Australian Boulder Opal rough pieces, perfect for cabbing and exploration of colors. Originating from Australia, these pieces offer a unique opportunity for lapidary enthusiasts to discover the vibrant colors and patterns that this opal rough is known for. Whether you are a collector or a hobbyist, this material provides a chance to gamble and explore some low grade rough but unlikely any valuable stones exist. Please see photos for details.