Manganese (Mn) does not occur in an uncombined state in nature but may, like chromium, be produced in the electric furnace and by the Thermit process (see under Aluminium on p. 318). It is a light, pinky-grey metal, melting at about 1,260°C, and having a specific gravity of about 7–4.’


Manganese Oxide Manganese Dioxide Closed Tube Barium Sulphate Manganese Mineral 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Copyright information

© George Allen & Unwin (Publishers) Ltd. 1970

Authors and Affiliations

  • H. H. Read
    • 1
    • 2
  1. 1.Imperial College of Science and TechnologyUK
  2. 2.University of LondonUK

Personalised recommendations