The Identification of Fe2+ in the M4 site of Calcic Amphiboles: Reply

Don S. Goldman
Ovens-Corning Fiberglas
Technical Center
Granville, Ohio  43027

George R. Rossman
 Division of Geological and Planetary Sciences
California Institute of Technoogy
Pasadena, CA  91125


Additional experimental evidence is presented to indicate that absorption from Fe2+ in the M4 site dominates the optical spectrum of most calcic amphiboles inthe 1000 nm region of the spectum.

last updated: 3-Sep-2017