Lead

Lead is a metal with the highest atomic number of any stable element. Symbol: Pb; atomic weight: 207.19; atomic number:82; specific gravity: 11.34 at 20°C.

Behavior
The lead can be thrown by the player like a rock, but it won't deal any damage if hit something. People will react to it as a poisonous object, even so it can't actually poison anyone. Metallurgists are hostile towards, like they are to any other type of metal.