Laboratory processing of halloysite*
Peter Fenner* and James R. Hartung
Department of Geology, University of Pennsylvania, Philadelphia, Pa. 19104
*
Modification of presentation entitled Halloysite Response To Preparation For X-Ray Diffractometry, given at the 16th Annual North American Conference on Clay Minerals.
*
Present address: CEGS, American Geological Institute, 2201 M Street NW, Washington, D.C. 20037.