Iolite is a new ore that can be found in caves from a depth of 25 blocks. It spawns only in the overworld and can be used to craft armor and gear.
When fused with Netherite in a smithing table it can form a Netheriolite Ingot with which you can create a set of tools and armor stronger than netherite.
The mod is still under development and could undergo significant changes in the future, also this is the very first mod that I have published, so please be understanding.

Minor updates of the mod are found as additional files for its 1.0 version.