Added Rose Gold: A new material crafted out of gold and copper which can be crafted into a new set of tools and armor in between the iron and diamond tier.
Added Copper Horns: Along with a new feature which lets you play Copper Horns and Goat Horns inside Dispensers
New Copper Building Blocks: Added new Copper building blocks named "Vertical Cut Copper", "Chiseled Copper", "Smooth Copper", "Edgy Copper" and changed the texture of Cut Copper to look better.
Copper Wrench: Added an item which rotates blocks that can be rotated. Can also be used inside the dispenser.
Copper Oxide: Added an item which you can right click on a Copper Block to oxidize it. You can obtain this by scraping the oxidization off of a Copper Block
Faster Oxidization: You can now put Copper Blocks underwater to oxidize them faster.
Copper Lamps: New building blocks which can be lit with redstone signals.