Niocalite and Wöhlerite from the Alkaline and Carbonatite Rocks at Kaiserstuhl, Germany

J. Keller, C. Terry Williams and Ulrich Koberski

Mineralogisch-Petrographisches Institut, Albert-Ludwigs Universität Freiburg, Albertstr. 23b, D-79104 Freiburg, Germany
Department of Mineralogy, The Natural History Museum, Cromwell Road, London SW7 5BD, UK
Mineralogisch-Petrographisches Institut, Albert-Ludwigs Universität Freiburg, Albertstr. 23b, D-79104 Freiburg, Germany

Keywords: niocalite • wöhlerite • crystal chemistry • cuspidine group • carbonatite • Kaiserstuhl • Oka

Mineralogical Magazine; September 1995 v. 59; no. 396; p. 561-566; DOI: 10.1180/minmag.1995.059.396.18
© 1995, The Mineralogical Society
Mineralogical Society (www.minersoc.org)