Hübnerite, Wolframite Group

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Hübnerite (Wolframite)
Huayllapon Mine, Pasto Bueno, Pampas District, Pallasca Pr., Ancash Dept. Peru

Item-No.: MIN0351
Price: 550.00 EUR 

Synonyms:  Huebnerite, Manganese Tungstate, Manganowolframite
Classification:  Oxides, Wolframite Group, Ferberite-Hübnerite Series
Chemical formula:  MnWO4
Crystal system:  Monoclinic
Density (g/cm3):  7,12 - 7,18 measured, 7,234 calculated 
Tenacity:  Brittle
Cleavage:  Perfect on {010}
Fracture:  Irregular/Uneven
Hardness (Mohs):  4 - 4,5
Colour:  Yellow-brown, reddish-brown, blackish brown, black
Lustre:  Adamantine, resinous, metallic
Streak:  Greenish-grey, yellow to reddish-brown
Type locality:

 Erie and Enterprize veins, Ellsworth Mine, Ellsworth, Ellsworth District (Mammoth District), Paradise Range, Nye Co., Nevada, USA

Application:  Important ore of tungsten




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