Different Metal blocks and items

I would suggest that you add different kinds of metal like bismuth, zinc, platinum, tungsten, etc. Add the same level of usefulness as you did for iron and copper. I want this update because it would add different blocks to spice up a build, show how these metals work in the real world, and many other uses. That is what I want to say. By the way, it's not just camman18 who wants faster minecarts, please make them faster mojang!