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Hübnerite (Wolframite Group)
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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
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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
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Application: |
Important ore of tungsten |
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