Grade Of Iron Ore Available In Malaysia

What does iron ore look like,is it contained in rocks and , jul 26, 2014 where i live there is a beach and there are lots of sedimentary rocks with brown and rusty looking streaks,ofcourse the entire rock is not rusty looking just small patches,i know iron naturally occurs as iron oxide but i dont fully understand the term iron ore im wondering if these rocks at my beach with rusty.