Magnetic evidence regarding the state of manganese in glasses

Bhatnagar, S. S. (1939) Magnetic evidence regarding the state of manganese in glasses Nature, 143 . pp. 599-600. ISSN 0028-0836

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Official URL: http://www.nature.com/nature/journal/v143/n3623/ab...

Related URL: http://dx.doi.org/10.1038/143599b0

Abstract

Much controversy centres around the role of manganese as a colorant of glass. Mellor states that manganese colours alkaline glasses pink to violet under oxidizing conditions. According to Thorpe, the full colour is only developed when manganese is in a fully oxidized condition (Mniv). In Fuwa's opinion, the manganic oxide is responsible for the pink colour, and colourless manganese in glasses is bivalent.

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