What is PowerCrystalsCore
PowerCrystalsCore is created by skyboy026 that make sure you get the correct one for your Minecraft version.
You need this for Minefactory Reloaded and Nether Ores to work.
Minecraft Forum Thread: http://www.minecraftforum.net/topic/2016680-powercrystalsmods/
How to install Mod:
(1) Install the version of Minecraft Forge that corresponds with the mod
(2) Download the Mod.
(3) Drop the entire zipped file into your mods folder (Search %appdata% on your PC then go into .minecraft, then mods(create this folder if it is not there))
(4) Open Minecraft and make sure your profile is set to Forge
(5) Start Minecraft and enjoy!
For Minecraft 1.6.4
For Minecraft 1.8, 1.8.9 (updating)
For Minecraft 1.9, 1.9.4 (updating)
For Minecraft 1.10 (updating)
For Minecraft 1.10.2 (updating)
For Minecraft 1.11 (updating)