Emerald & Obsidian Mod 1.8, 1.7.10, 1.7.2 is obsidian and emerald tools and armor for Minecraft.
This mods adds:

• emerald tools and weapons.
• obsidian tools and weapons.
• obsidian armor.
• a advance config fully functional.
• obsidian armor adds fire resistance.
• a scimitar: does less damage then sword, but adds wither effect that does 1 more damage then sword if you add it up.
• a full armor set (for emerald/obsidian armor).
• can repair the items and armor now.