available online at http://meteoritics.org 553 © The Meteoritical Society, 2006. Printed in USA. The formation of plessite in meteoritic metal J. I. GOLDSTEIN1* and J. R. MICHAEL2 1Department of Mechanical and Industrial Engineering, 313 Engineering Lab, University of Massachusetts, 160 Governors Drive, Amherst, Massachusetts 01003, USA 2Materials Characterization Department, Sandia National La...