The Yowah nut is a type of precious opal, found within the Yowah opal fields situated in Yowah, Shire of Paroo, South West Queensland, Australia since the latter part of the 19th century.[1] These opals are known for their distinctive nut-like shape, opalescent patterns, and vibrant colours.
- ^ "Yowah Opal Nut". Smithsonian National Museum of Natural History.