Gems+ 1.6.3-MC1.8 is a release file of the Minecraft mod Gems+, made for Minecraft 1.8. It was published on March 4, 2016 and is 0.4 MB in size. For the full description, screenshots and every other version, visit the Gems+ mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
