RARE Australian Zebra Stone Freeform Cabochon 40x29mmVery Nice Bold PatternZebra-Stone is a sedimentary stone that formed over 600 million years ago.It was formed when detrital clay deposits compacted into layers, which then created the characteristic red/beige or red/brown bandings.These bandings formed different patterns, such as straight lines, waves, and spots.Zebra-Stone is typically a white stone with black stripes, but there are also color variations like brown, red, and green.Because of the black stripes on the stone, Zebra-Stone got its name to complement is name sake animal.Zebra-Stone is also known by other names like Zebra Jasper, Zebra Marble, Zebra Agate, and Zebra Rock. It was first discovered in Kunnanurra, in Western Australia.