Slate is generated in mountains
after left click with geode hammer , geoed open himself and allows the player to recover scories, quartz or amethyst
after left click geode is sublimed with the sublimer
with geocraft obsidian is naturally generated
Geode sublimer can create vanilla minerals with geodes
Titanium and amethyst armor
Slate can be darkened using furnace and transformed into bricks with stonecutter
After getting titanium ingot with smelting of blasted ilmenite , player can create stuff with titanium ingot
Titanium (mineral) Amethyst (geode product) Scories (geode product)
