Hubnerite

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Hubnerite

 

(named for the 19th-century German mineralogist A. Hübner), a mineral rich in manganese, a member of the isomorphous series of wolframite; 17.6–23.4 percent manganese. Chemical formula, (Mn, Fe)W04. Hubnerite crystals are typically brownish red with a violet cast and have a semimetallic luster.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.