8 Inch Silicon Wafer Integrated Circuit Uncut Geek Toy Ornament Single Crystal Plate Chip Double Side Polished Si Wafer IC

A beautiful piece of workmanship, but the size of the individual chips is so small that the color defraction pattern is much less than what is pictured. Under different lighting conditions, a lot of various patterns can be made, with direct sunlight being the best I've tried (I also tried red laser light, trichromatic fluorescent, regular multi-spectrum LED lighting, and a blue light LED flashlight).