Cobaltic

a.
  1. Pertaining to, derived from, or containing, cobalt; -- said especially of those compounds in which cobalt has higher valence; as, cobaltic oxide.
  2. Luteo-cobaltic compounds (Chem.),
    an extensive series of complex yellow compounds of ammonia and cobaltic salts.
    Roseo-cobaltic compounds (Chem.),
    an extensive series of complex red compounds of cobalt and ammonia. Modifications of these are the purpureo-cobaltic compounds.