| http://www.w3.org/ns/prov#value | - The nacreous pigments may be chosen from white nacreous pigments chosen from mica coated with titanium or with bismuth oxychloride, colored nacreous pigments chosen from titanium mica coated with iron oxides, titanium mica coated for example with ferric blue or chromium oxide, titanium mica coated with an organic pigment of the above-mentioned type, and also nacreous pigments based on bismuth oxyc
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