Manganese
Manganese, like chromium before it, is an important component in stainless steel, preventing the iron from rusting. Manganese is often used in pigments, again like chromium. Manganese is also poisonous; if enough is inhaled, it can cause irreversible neurological damage.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources: