[ Top ] [ Japanese ]

Hübnerite (Photo), Hubnerite

Year of discovery: 1865 (Ellsworth mine, USA), 1908 (Japan)

Locality list: 38 localities of hübnerite

• MnWO₄
• [Mn²⁺][WO₄]^2-

• Class: Tungstate (As there are no WO₄ tetrahedra, it may be classified as Oxide from structural point of view.)
• Soluble in: HCl

• Mn => Fe: Ferberite
• Mn => Ca: Scheelite
• Mn => Zn: Sanmartinite
• Mn => Pb: Stolzite, Raspite
• Mn => (BiO)₂: Russellite

• Color: Reddish brown, Yellowish brown
• Streak: Reddish brown, Greenish gray
• Luster: Adamantine
• Diaphaneity: Transparent-Translucent

• Habit: Thin platy, Quadratic prismatic

• Cleavage: Perfect on {010} (1 plane), Parting on {100} and {102} (2 planes)
• Hardness: 4-4.5
• Density: 7.2

• System: Monoclinic
• Group: 2/m, P2/c
• Lattice: a=4.8, b=5.8, c=5.0, β=91.2

Etymology: A. Hübner (Hubner), who discovered this mineral.