High chroma and dichromatic luster pigments were developed by coating Li
2CoTi
3O
8 on mica. The results of XRD analysis confirmed that the double oxide Li
2CoTi
3O
8 having mixed spinel structure was synthesized on the surface of mica. By controlling Co0 and Li
2O contents, we could obtained the pigments with various interference colors and blue or green appearance color. These Li
2CoTi
3O
8 coated micas had high stability against acid and alkali and outdoor exposure. Furthermore, it was found that the difference of appearance color was not due to the difference of crystal structure but that of lattice constant.
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