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Forge Xray is a utility mod by Kradxn, which allows players to find specific in-world ores and materials. The mod will add an overlay of colored outlines, which depict where the blocks are. Any block can be found using Forge Xray. It can be toggled on/off by using the X key, or the key set in the Controls menu. Using the F6 key will open the GUI, which can be used to set the blocks that are shown, and the colors used to show them. This mod is not in any Feed The Beast Modpacks, as it can be considered cheating to use an x-ray.