Lithu |Add ania
Lithuania |Country in Europe
=> Lithium is a country in Europe if the earth was made of metals and every country was named after an element (even though there are 196 countries versus 118 elements)
Probably too nerdy and obscure for anyone to know what that is these days though.
Iron is useful in large quantities but as far as I know gold has very few practical uses and shouldn't hold its value if we're extracting this much annually? I know there are a few uses like coating electrical connections for improved conductivity but that must use a tiny fraction of the supply
This page disagrees, though 75% is used for jewelry. But practical or not, the demand is still huge.
As everybody suggest, aluminium (the official, woldwide more frequently used version) must be accepted.
For non expert non native english speakers it can be a problem. However the British English also prefer aluminium.