RESEARCH ARTICLE Fluoride content of minerals in gneissic ...
western Sri Lanka ( Perchuk et al., 2000) and in apatite from a carbonatite complex in the north central part of Sri Lanka (Jayawardena, 1976; Pitawala et al., 2003 and Pitawala and Lottermoser, 2012). However, the fluoride availability in other minerals of the Sri Lankan rocks is unknown. Jayawardena, (1976) reported