The natural soils in powder are mineral substances present in nature, identifiable in salts, acids and sulfides, which are found in the subsoil in more or less deep deposits with stratifications of various types. The colour and resistance characteristics, due to their particular geological formation, are enhanced by the various stages of processing. Size: dust Usage: coloring charge in cements, paints and paints Applications: interior, exterior, fresco, lime, concrete, casein glue, high temperature, oil Chemical composition: mineral oxides of natural origin (celadoniti, hematiti, limoniti, manganesiti) in variable combinations, on average 20-40% Properties: coloring and covering power, insoluble in the vehicle and finely dispersed in