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Kashinite

Year of discovery: 1985 (Aleksandrov Log deposit, Russia)

Locality list:

• Ir₂S₃
• [Ir³⁺₂][S]₃^6-

• Class: Sulfide

• Ir => Sb: Stibnite, Metastibnite
• Ir => Bi: Bismuthinite
• Ir => As: Orpiment
• Ir => Sn: Ottemannite
• Ir => Cr: Schreibersite
• Ir => Rh: Bowieite

• Color: Grayish black
• Luster: Metallic
• Diaphaneity: Opaque

• Hardness: 7.5
• Density: 9.1

• System: Orthorhombic
• Group: mmm, Pbcn
• Lattice: a=8.5, b=6.0, c=6.1