Friend, C. and Hughes, D. 1981. Chromium-rich sapphirine from the Bjørnesund area, southern West Greenland and its bearing on the conditions of crystallisation of the Fiskenæsset anorthosite complex. Rapport Grønlands Geologiske Undersøgelse. 105, (Dec. 1981), 41–44. DOI:https://doi.org/10.34194/rapggu.v105.7751.