minetest.register_craftitem("fun_caves:unobtainium", {
	description = "Unobtainium",
	drawtype = "plantlike",
	paramtype = "light",
	tiles = {"fun_caves_unobtainium.png"},
	inventory_image = "fun_caves_unobtainium.png",
	groups = {dig_immediate = 3},
	sounds = default.node_sound_stone_defaults(),
})

minetest.register_craftitem("fun_caves:philosophers_stone", {
	description = "Philosopher's Stone",
	drawtype = "plantlike",
	paramtype = "light",
	tiles = {"fun_caves_phil_stone.png"},
	inventory_image = "fun_caves_phil_stone.png",
	groups = {dig_immediate = 3},
	sounds = default.node_sound_stone_defaults(),
})