Powerful gems with which create weapons, tools and armor.
The Power Gems 1.7.2 is a mod that adds 7 new mineral resources to the game, which are: Amethyst, Topaz, Peridot, Aquamarine, Citrine, and Sapphire Turmalita. Each of these materials has specific properties, which will be added to any attack or defense element that we craft.

Detail and Download here : The Power Gems Mod

Homepage: Mods for Minecraft