The natural soils in powder are mineral substances present in nature, identifiable in salts, acids and sulphides present in the subsoil in deposits of various depth and stratification. Their colour and resistance characteristics derive from the long geological process of formation and are further enhanced by the processing phases. They are in the form of insoluble powders in the vehicle, in which they are finely dispersed to exploit the coloring and covering power. Chemical composition: mineral oxides of natural origin (celadoniti, hematiti, limoniti, manganesiti) in variable combinations according to the types Format: powder Use as coloring charge in cements, paints and paints Inimitable shades with characteristics of semi-transparency Good resistance at the time Used in numerous pictorial and artistic techniques, Siena restoration and decoration Also used in the textile sector with dedicated technologies Available in wide color directory