Beautiful Mookaite Jasper. Mookaite is found only in Australia and is actually a fossiliferous sedimentary rock & it is reasonably common to find cavities left by decomposed belemnite casts or in some rare cases , impressions of ammonites. http://topgems.homestead.com/gemstone_information_mookaite.html
mookaite cabochon with dendrites - Mookaite jasper AKA mookite, mookalite, mookerite, moakite, moukalite and moukaite. - mookaite considered correct spelling - named after local area it comes from, Mooka Creek in Kennedy Ranges near Gascoyne Junction abt 100 mi. inland from coastal town of Carnarvon in Western Australia. Mookaite is found only in Australia.