Object having a rosy pink coloring

摘要

A rosy pink colored object has a first layer of nitride of an element chosen from the group comprising Ti, Zr, Hf, or a mixture of these elements. This first layer includes at least an element chosen amongst Al, C and elements of the groups Vb and VIb. A second layer comprises a mixture of palladium (Pd) and indium (In). Certain ternary metals such as Al or Cu may be added to the PdIn mixture. The covering may be used in jewelry, optometry or horology.