This mod adds ruby tools, armor, and a naturally spawning ore.
Click the spoiler for more information.
The Ruby tools do a bit more damage than diamonds but they mine a little bit slower than diamonds.
The Ruby armor is a bit better than diamond but a little bit worse than diamond armor.
All the recipes are crafted the same way you would craft it with any other tools or armor.
Ruby ore is found underground at y 0-25, there is also a deep slate version.
There is a block version of ruby which is crafted with 9 rubies.