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Tučekite (Photo), Tucekite

Year of discovery: 1978 (Kanowna, Australia), 2005 (Japan)

Locality list: 2 localities of tučekite

• Ni₉Sb₂S₈
• [Ni²⁺₉][Sb³⁺₂][S₈]

• Class: Hauchecornite group
• Class: Sulfide

• Sb₂ => BiAs: Arsenohauchecornite
• Sb₂ => BiBi: Bismutohauchecornite
• Sb₂ => BiSb: Hauchecornite
• Sb₂ => BiTe: Tellurohauchecornite

• Color: Pale yellow
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Prismatic, Granular

• Cleavage: No
• Hardness: 6
• Density: 6.2

• System: Tetragoal
• Group: 4/mmm, P4/mmm
• Lattice: a=7.2, c=5.4

• Coexist: Millerite

Etymology: Dr. Karel Tuček (Tucek) (1906), curator of the National museum of Prague (Czech Republic)