Mn – Mohs Hardness: 6½. Manganese is essential to iron and steel production for its alloying properties. It gives steel strength and improves its workability at high temperatures. It is also commonly alloyed with aluminum to increase strength and corrosion resistance. About 80% of the worlds known resources are located in South Africa.
Keeling Mine, Arkansas
The University of Toledo
Digital Initiatives, University of Toledo Libraries
environmental sciences; virtual exhibitions
UT Department of Environmental Sciences
virtual exhibition; science;
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