Name:
Manganese
Symbol:
Mn
Atomic Number:
25
Atomic Mass:
54.9381
Atomic Volume:
7.36 cc/mol
Discovered By:
First isolated by Gahn in 1774
Discovery Date:
1774
Origin of Name:
Manganese - (Latin) magnes (magnet, from magnetic properties of pyrolusite, an ore)
Toxicity:
Finely dispersed metallic manganese is toxic. Compounds are poisonous and attack the central nervous system.
Summary:
Manganese is responsible for the purple color of amethyst.
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