cores={"green","blue","yellow","purple"}
for n,cor in ipairs(cores) do
	minetest.register_node("starsnodes:stone_with_kyber_"..cor, {
		description = "Kyber Crystal in Stone",
		tiles = {"default_stone.png^starsnodes_kyber"..cor..".png"},
		is_ground_content = true,
		groups = {cracky=18},
		drop = "starsnodes:kyber"..cor,
		sounds = default.node_sound_stone_defaults(),
	})
	minetest.register_craftitem("starsnodes:kyber"..cor, {
		description = "Kyber Crystal",
		inventory_image = "starsnodes_kyber"..cor.."crystal.png",
	})
	minetest.register_ore({
		ore_type = "scatter",
		ore = "starsnodes:stone_with_kyber_"..cor,
		wherein = "default:stone",
		clust_scarcity = 5000,
		clust_num_ores = 4,
		clust_size = 3,
		height_min = -59,
		height_max = -52,
	})
	minetest.register_ore({
		ore_type = "scatter",
		ore = "starsnodes:stone_with_kyber_"..cor,
		wherein = "default:stone",
		clust_scarcity = 10000,
		clust_num_ores = 3,
		clust_size = 2,
		height_min = -55,
		height_max = -53,
	})
end
minetest.register_craftitem("starsnodes:kyberred", {
	description = "Bleeding Kyber Crystal",
	inventory_image = "starsnodes_kyberredcrystal.png",
})