Here is a very quick attempt that probably needs refining. The most accurate way would be adding a normal map representing the flakes, as in the carpaint tutorial here:
Hey. I did a “sort” of hologram shader in Corona some time ago…
You can see the results here : https://vimeo.com/111268491
Basically i´t s ramp map based on light or camera angly with some gradients of colors on it, and it´s piped to the reflection color masked by a fresnel (if i am not wrong...)