huebnerite

huebnerite

[′hēb·nə‚rīt]
(mineralogy)
MnWO4 A brownish-red to black manganese member of the wolframite series, occurring in short, monoclinic, prismatic crystals; isomorphous with ferberite.
References in periodicals archive ?
Caption: Huebnerite with quartz (Pasto Bueno, Peru) is a source of tungsten.