Introduction.- Materials and characterization techniques.- Phase diagram of Laponite dispersions.- Anisotropic ordering in nanoclay dispersions induced by water-air Interface.- Phase diagram of aging Montmorillonite dispersions.- Sol state and gelation kinetics in mixed nanoclay dispersions .- Aging dynamics in mixed nanoclay dispersions.- Thermal ordering in mixed nanoclay dispersions.- Aggregation and scaling behavior of nanoclays in alcohol solutions.-...