RED OCHRE: Composition and Code in the Color Table
Composition of Red Ochre The main component that gives the color of the natural red ochre (ochre) is composed of hematites (∝-Fe2O3). The term red ochre or red earth describes several types of iron oxide pigments such as Venetian red, ivory red, English red, and Indian red. The nomenclature is by no means unequivocal and … Leer más