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Sulvanite

Year of discovery: 1900 (Edelweiss mine, Australia), 1973 (Japan)

Locality list: A locality of sulvanite

• Cu₃VS₄
• [Cu⁺₃][V⁵⁺][S₄]^8-

• Class: Sulfide

• V₃ => CuAs₃: Colusite (Series)
• V₃ => CuGe₃: Germanocolusite
• V₃ => CuSn₃: Nekrasovite
• V₃ => CuSb₃: Stibiocolusite

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

• Habit: Cubic

• Cleavage: Perfect on {001} (3 planes)
• Hardness: 3.5
• Density: 4.0

• System: Cubic
• Group: (-4)3m, P(-4)3m
• Lattice: a=5.4

Etymology: Chemical composition