Iridescent Gold (Fine)GOLDEN Iridescent Gold (Fine) is a very traditional gold metallic paint. Used alone or with other colors, gels and mediums, GOLDEN Iridescent Acrylic Colors develop nonfading, nontarnishing metallic finishes. Iridescent Pearl is particularly useful for creating colors with pearlescent qualities. Pigment Classification: InorganicColor Index Name: N AColor Index Number: N AChemical Description: Titanium Dioxide and Iron Oxide Coated Mica