Real Time Chemistry 2 Rtc2 Wiki › Items › Lithium-6 Lithium-6rtc:item_lithium_sixObtaining→Crafting (shapeless) · minecraft:crafting_shapelessUsageCrafting→Tritium · Rtc:Jei Nuclear Reactor · minecraft:rtc:jei_nuclear_reactorData valuesIDrtc:item_lithium_six