Al-poor and Al-rich Orthoamphiboles: A Mössbauer Spectroscopy and TEM Study

Embaie A. Ferrow and Magnus Ripa

Department of Mineralogy and Petrology, Institute of Geology, University of Lund, Sölvegatan 13, 232 62 Lund, Sweden

Abstract: Mössbauer spectroscopy and electron microscopy were combined to study one Al-poor anthophyllite and one Al-rich gedrite. TEM show that Al-rich gedrite is not homogeneous and that the complexity of its Mössbauer spectrum is due to sub-microscopic intergrowth of chlorite and lizardite.

Keywords: anthophyllite • gedrite • chamosite • lizardite • Mössbauer spectroscopy • TEM

Mineralogical Magazine; December 1990 v. 54; no. 377; p. 547-552; DOI: 10.1180/minmag.1990.054.377.03
© 1990, The Mineralogical Society
Mineralogical Society (www.minersoc.org)