With this modification in your game Minecraft will be added three new ores: ruby, amethyst and sapphire. Of them in turn, you can smelt precious stones, and of these stones, you can make whole blocks.
How to install MC+ Gems
- Download and install Minecraft Forge
- Download mod
- Do not unzip it, copy to C:\Users\User_Name\AppData\Roaming\.minecraft\mods