Includes all basic minecraft components using copper instead of stone in their recipes as well as texture
These include:
Observer
Dropper
Dispenser
Repeater
Comparator
Piston
Sticky piston
Powered Rail
As well as copper doors and trapdoors
NOTE: none of these blocks oxidize yet
Also if you scrape the oxidation off of a block you will get the Patina, you can put the patina back on any block to oxidize it further
+ you can make the patina block