PowerCrystalsCore

Mods
1,143,590 Downloads Last Updated: Nov 14, 2013 Game Version: 1.6.4

You need this for Minefactory Reloaded and Nether Ores to work.

Make sure you get the correct one for your Minecraft version.

Minecraft Forum Thread: http://www.minecraftforum.net/topic/2016680-powercrystalsmods/