The only thing I can think of that comes close to what you describe is multicolored noise on various objects due to interference of light at the surface, like oil film reflections but on a much smaller scale.
Interesting. By looking around my house, I actually discovered this when observing bright specular highlights on oiled woodwork, but something comparable also seemed to occur when I looked at the bright highlights produced by elaborate glass vases which were constructed like mosaics with many discrete glass sub-faces glued together (lot of caustic effects). I'm still trying to reproduce images. I just need to find the right time of day to take pictures, but I'm usually busy/distracted with programming.