Zebra Stone is a fascinating, private science museum in Northern Territory, Australia. Zebra stone is a unique, very fine-grained siltstone / claystone, formed from 0.6 to 1 billion years old — first discovered in 1924 by T. Blatchford, near the old Argyle Downs homestead, Western Australia. The rock is mostly extremely fine-grained quartz and sericite, with minor alunite, kaolinite clay and its polymorph dickite. It shows regularly spaced, ferruginous (rusty iron) brown bands on a white to pale brown clay rich matrix. Address: 895 Litchfield Park Rd, Rum Jungle, NT, Australia, 0822.
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