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Roquesite

Year of discovery: 1963 (Charrier mine, France), 1968 (Japan)

Locality list: 6 localities of roquesite

• CuInS₂
• [Cu⁺][In³⁺][S₂]^6-

• Class: Chalcopyrite group
• Class: Sulfide

• Cu => Ag: Laforêtite (Laforetite)

• In => Fe: Chalcopyrite
• In => Ga: Gallite
• In => Sb: Chalcostibite
• In => Bi: Emplectite

• Color: Gray
• Luster: Metallic
• Diaphaneity: Opaque

• Aggregate: Inclusion in bornite

• Hardness: 3.5-4
• Density: 4.8

• System: Tetragonal
• Group: (-4)2m, I(-4)2d
• Lattice: a=5.5, c=11.1

Etymology: Professor Maurice Roques, French geologist

Synonym: Roquésite