local function on_use_stone(itemstack, player, pointed_thing)
    local meta = itemstack:get_meta()
    return itemstack:get_meta():set_string("description", "NEW DESCRIPTION")
end
minetest.register_node("test_strange:stone", {
	description = "STONE",
	tiles = {"default_stone.png"},
	is_ground_content = true,
	groups = {cracky=3, stone=1},
	drop = 'default:cobble',
	legacy_mineral = true,
    on_use = on_use_stone,
})