Infrared and electron microprobe analysis of ammonium ions in
hyalophane feldspar
Anton Beran*, John Armstrong, George R. Rossman
Division of Geological and Planetary Sciences
California Institute of Technology
Pasadena, California 91125, U.S.A.
*Permanent address: Instiutt für Mineralogie und Kristallographie, Universität Wien, Vienna, Austria
Abstract
Electron microprobe analysis indicates that there is 0.12 wt% nitrogen
in hyalophane feldspar from Zagrlski Potok, Bosnia, Yugoslavia.
Infrared spectroscopy demonstrates that it is present as ammonium ions.
European Journal of Mineralogy, 4, 847-850.