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Hubnerite
Hübnerite (Hubnerite) is a manganese-tungsten oxide mineral in the wolframite series. The mineral is distinct for its black-red color, high specific gravity, and cleavage. Like other minerals in the wolframite series, Hübnerite is comprised of imperfect tetrahedral and octahedral crystal units.
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Properties
Mineral Class
Oxides
4 - 4.5
Monoclinic
Luster
Metallic, Adamantine
Chemical Formula
MnWO4
Streak
Reddish-Brown
Uses & Applications
In addition to collectors' value, the industrial metal Tungsten is extracted from Hubnerite.
Associated Minerals
Arsenopyrite
Fluorite
Molybdenite
Rhodochrosite
Topaz
Notable Localities
The largest specimens of Hubnerite originate from several Peruvian localities. Red-tinted crystals occur in the Yaogangxian Mine of China.
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Varieties
Additional Resources
Properties
Uses & Applications
Associated Minerals
Notable Localities
Varieties
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