gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1995.59.394.17 Short Communications Occurrences of Boron-Free and Boron-Poor Kornerupine Friend C. R. L. Department of Geology, Oxford Brookes University, Oxford OX3 OBP 3 1995 59 394 163 166 13 4 1994 11 5 1994 Copyright © 1995, The Mineralogical Society 1995 kornerupine boron Fiskenæsset Greenland