Jayawardana, M.P.J.2010-07-062010-07-061986Journal of the National Science Council of Sri Lanka, 14(1):p.83-94https://dl.nsf.gov.lk/handle/1/6727LimestonePhysical propertiesMineralsX-ray diffraction analysisThermal analysisChemical analysisGeologyPossible occurence of halloytsite in Sri LankaArticle