The present invention relates to platelet-shaped pigments comprising (a) a layer obtained by calcination of a layer comprising SiO.sub.z wherein 0.03.ltoreq.z.ltoreq.2.0 and a metal, to a process for the production thereof, and to the use thereof in paints, text ink-jet printing, cosmetics, coating compositions, plastics, printing inks and in glazes for ceramics and glass. The aforementioned process makes available platelet-shaped pigments having a high degree of planeparallelism and a defined thickness in the range of .+-.10%, preferably .+-.5%, of the average thickness.

 
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> Resinates from monomer

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