Rupasinghe, M.S.Rupasinghe, R.A.P.Dissanayake, C.B.Ileperuma, O.A.2015-07-072015-07-071993Z. Dt. Gemmol. Ges., 42(2/3):p.115-121https://dl-ifs.nsf.gov.lk/handle/1/459Geology and Earth SciencesA tentative classification of heat-treatable corundum (Geuda) stonesArticle