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Wolframite is actually a series between two minerals; Huebnerite and Ferberite. Huebnerite is the Manganese rich end member while ferberite is the iron rich end member. Wolframite is the name of the series and the name applied to indistinguishable specimens and specimens intermediate between the two end members. Wolframite makes a unique and interesting addition to any mineral collection.
(FeMn)WO4 - Iron Manganese Tungstate
Class:
Sulfates
Subclass:
Tungstates
Brown, gray, black
Brown
Sub-metallic
Translucent to opaque
7 - 7.5
4 - 4.5
Perfect
Uneven
Short prismatic to tabular crystals, granular, massive.
None
Frequency:
Uncommon
Origin:
Hydrothermal in high to medium temperature ore veins, in greisens; rarely magmatic in granite pegmatites; also in placers.
Occurence:
Chungcheongbukdo, South Korea; Nanling Range, China; Sauberg mine, Saxony, Germany; Yao Gan Xian tungsten mine, Hunan Province, China.
Application:
Ore of tungsten and as a mineral specimen.
Mineral Gallery

 
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