manganese violet
nounDefinition of manganese violet
: a moderate purple that is redder and duller than heliotrope (see heliotrope sense 4a), bluer, lighter, and stronger than average amethyst, bluer and stronger than cobalt violet, and bluer and deeper than average lilac (see lilac sense 3a)
— called also Burgundy violet, mineral violet, Nuremberg violet, permanent violet