"SUNDANCE" -Photograph of crystalline phenylethylamine found in chocolate and lactic acid found in wine"Sundance" will bring a lovely splash of color and a remarkable story to your home or office. Here crystals of a substance found in chocolate called phenylethylamine, and lactic acid, which is found in wine, were co crystalized on a microscope slide and photographed through a microscope. The colors result from the refraction of light passing through the prism like array.