Red Ochre is one of the oldest pigments used by man. Originally made from natural iron oxides found in the earth it is an opaque brownish red pigment. It was often used in Michelangelo's drawings.
Red Ochre is one of the oldest pigments used by man. Originally made from natural iron oxides found in the earth it is an opaque brownish red pigment. It was often used in Michelangelo's drawings.