When playing minecraft, Io m sure weo ll all realize that o diamondso are a huge chunk of the game. Its everyoneo s first goal, first major achievement. Diamond gives you useful tools that last a long time. Diamonds is the perfect mineral, but we all know that in the real world, diamonds areno t the only type of gem out there. The More Gems mod adds a variety of new gems: "emerald", ruby, sapphire, amethyst and topaz.