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Hauchecornite

Year of discovery: 1893 (Friedrich mine, Germany), 1978 (Japan)

Locality list: A locality of hauchecornite

• Ni₉BiSbS₈
• Ni₉Bi(Sb,Bi)S₈
• [Ni⁺₉][Bi³⁺][Sb³⁺][S₈]

• Class: Hauchecornite group
• Class: Sulfide

• Bi => Sb: Tučekite (Tucekite)

• Sb => Bi: Bismutohauchecornite
• Sb => As: Arsenohauchecornite
• Sb => Te: Tellurohauchecornite

• Color: Pale yellowish brown
• Tarnish: Dark brown
• Streak: Grayish black
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Tabular on {001}, prismatic or dipyramidal

• Cleavage: No
• Hardness: 5
• Density: 6.4

• System: Tetragonal
• Group: 4/mmm, P4/mmm
• Lattice: a=7.3, c=5.4

Etymology: William Hauchecorn (1828-1900), German geologist