Metal: Tungsten
Tungsten is a very hard metal. It is a 9 on the Mohs hardness scale while diamond is one of the few materials that is harder than it at a 10. This means that Tungsten is highly resistant to scratching.
Tungsten is a very hard metal. It is a 9 on the Mohs hardness scale while diamond is one of the few materials that is harder than it at a 10. This means that Tungsten is highly resistant to scratching.