Iridescent glass tile inlay in coffee table. If you're looking to protect the top of your coffee table, you could get a cheap plastic place mat or some shelf liner and hot glue a mosaic with tiles bought at Michaels.
This space turned a room divider into art with a gallery wall. By filling the entire wall, the floating wall becomes both the backdrop and the focal point for the living room. Photo by The Apartment via Style Me Pretty Garden Decor
Society Adventures: The Mosaic Tile House of Venice Beach