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Tolovkite

Year of discovery: 1980 (Tolovka river, Russia), 2017 (Japan)

Locality list: A locality of tolovkite

• IrSbS
• [Ir²⁺][Sb³⁺][S]

• Class: Cobaltite group
• Class: Sulfide

• Ir => Ni: Ullmannite
• Ir => (Co,Ni): Willyamite, Costibite, Paracostibite

• Sb => Bi: Changchengite
• Sb => As: Irarsite

• Color: Dark gray
• Luster: Metallic
• Diaphaneity: Opaque

• Hardness: 7.5

• System: Cubic
• Lattice: a=6.0