île (6) substance chimique (6) Rocks (6) minéral (5) minéralogie (5) Area (5) Area (5) Mineralogy (5) Kaolinite (5) Diffraction (5) Clay minerals (5) puits (4) Dickite (4) particule (3) argile (3) ordre (3) Composition (3) Hydrothermal alteration (3) Origin (3) Weathering (3) Order (3) Kaolin (3) Halloysite (3) Crystals (3) Clay (3) Origin (3) sulphate (2) sol (2) phosphate (2) marché (2)