NWA 7533, Black Beauty Stone > ASK FOR PRICE! Slices available... The NWA 7533 in Nature: Origin and age of the earliest Martian crust from meteorite NWA 7533, M. Humayun, A. Nemchin, B. Zanda, R. H. Hewins, M. Grange, A. Kennedy, J.-P. Lorand, C. Göpel, C. Fieni, S. Pont & D. Deldicque, Nature, 20 novembre 2013. http://dx.doi.org/10.1038/nature12764 The NWA 7533 is a unique martian meteorite from Mars' crust, an impact breccia. Meteoritical bulletin about NWA 7533: http://www.lpi.usra.edu/meteor/metbull.php?code=56550