Added emerald tools and armour and is as fast as a diamond pick and spade and axe and more damage with a sword 1.3.1 mod but it works on any update. It has been tested and is safe for playing but sometimes causes 10 seconds of lagging. I would advise you to download Winrar for this mod or it is highly unlikely to work. If you download thank you very much and DO NOT COPY THIS MOD AND SAY IT IS YOURS BECAUSE IT IS MINE!!