What are coins made of?
Coins take copper, nickel, zinc and silver directly. Trace them back and you pass 7 made things on the way to 9 raw materials.
How coins are made See it on the map
What goes straight in
From the ground: 9 raw materials
- Copper ore through silver
- Water through copper
- Air through zinc
- Nickel ore through nickel
- Zinc ore through silver
- Silver ore through silver
- Lead ore through silver
- Sulfur through silver, sulfuric acid
- Limestone through silver, quicklime