AApplied Clay Science3/20/2026Weathering-derived halloysite-kaolinite assemblages from the Meetiyagoda pegmatite, Sri Lanka: Mineralogical evolution and geochemical constraintsAluthgamaguruge D. Ishanka·Pradeep Samarasekere·Nuwan De Silva·J.A. Kasindu PramodRead at Applied Clay ScienceTagsClay minerals and soil interactionsBiomaterials