Zebra "jasper," named for its exotic black and white patterns, is actually an onyx marble. Commonly mistaken as a type of jasper, it has been given the trade name zebra "jasper." It is also referred to as Mexican zebra stone as major deposits are found in Mexico.
Beads>Grade B>Zebra "Jasper"BeadsGrade BZebra "Jasper"WhitesOval25mm & UpNaturalhttp://www.firemountaingems.com/itemdetails/h208541gsH208541GSBead, zebra "jasper" (onyx marble) (natural), 30x22mm flat oval with 0.5-1.5mm hole, B grade, Mohs hardness 3. Sold per 15" to 16" strand.//image1.fmgstatic.com/images/p8541gsb.jpg20.3020.30As Low As $10.36 per strand