A multi color changing powder with a bluish base appearance color of which color
tone varies according to the observation direction is provided. A pleochroism powder
of the present invention comprises a flaky mica having a coating which consists
of two layers wherein one of said two layers is a first layer comprising a metal
oxide of titanium coated on said flaky mica and the other is a second layer comprising
metal oxides of cobalt and aluminum coated on said first layer.