an animal black derived from ivory. The term is sometimes erroneously applied to other animal blacks. Chief use is as a pigment, especially as artists' color in oil., a pigment of organic, natural and animal origin. It is a pigment used since antiquity and used by Greeks in the classical period. It is obtained by calcinating fragments of ivory in absence of air and, harilikem ja püsivaim mustadest värvidest, valmistatakse raskeist ja tihedaist loomaluudest, varem elevandiluust, põletatud õhu juurdepääsuta