Manganese



General
Atomic Number 25
Symbol Mn    
Relative Atomic Mass 24.305
Year of Discovery 1774
Boiling Point (°K, °C) --
Melting Point (°K, °C) --
Geochemical Class lithophile
Principal Sources
Mineral or Other braunite
Formula 3Mn2O3·MnSiO3
Origin weathering
Relative Abundance (log10)
Sun 5.4
Meteorite 5.79
Earth 5.86
Crust 6.1
Ocean 2.7
Body 1
Isotopic Composition
Mass Number 55
% Abundance 100


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