Australian Zebra Jasper Australian Zebra Jasper is Considered a grounding stone. Specifically from the formation in the Ord River district of Western Australia (now underwater), is a sedimentary deposit which occurs as layers of fairly regular red-brown and greyish-white to greyish-beige layers.The formation occurred during the Upper Proterozoic Era or Precambrian Period and is over 600 million years old. Jasper Gemstone Jewelry Care and Cleaning To clean your Jasper, simply use soapy water and a soft cloth. Be sure to rinse well to remove soapy residue.As with most gemstones, ultrasonic cleaners and steamers are not recommended.Always remove any jewelry or gemstones before exercising, cleaning or engaging in harsh physical activities such as sports.Jasper can be easily scratched by harder substances, so it should be stored away from other gemstones.It is best to wrap gemstones in soft cloth or place them inside a fabric-lined jewelry box.