Nickel

Nickel is found combined with iron sulphides in deposits.

The properties of nickel are as follows:

1. It is like silver, which can take high polish.
2. Its hardness is equivalent to that of steel.
3. It is malleable with a small amount of carbon.
4. It is resistant against many acids except nitric acid.
5. It retains its surface upon exposure to the atmosphere.
6. It is somewhat less ductile than soft steel. But with a small amount of magnesium, ductility improves remarkably.