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Galenobismutite

Year of discovery: 1878 (Kogruvan, Sweden), 1976 (Japan)

Locality list: 11 localities of galenobismutite

• PbBi₂S₄
• [Pb²⁺][Bi³⁺₂][S₄]^8-

• Class: Pseudotetragonal-Pseudohexagonal layered Pb sulfosalts < Sulfosalt class
• Class: Sulfosalt

• Color: Light gray
• Tarnish: Yellow, Iridescent
• Streak: Grayish black
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: {100} Tabular/Long Prismatic elongated to [001], Acicular elongated to [100]

• Cleavage: Good on {110} (1 plane)
• Hardness: 2.5-3.5
• Density: 7.0

• System: Orthorhombic
• Group: mmm, Pnam
• Lattice: a=11.7, b=14.5, c=4.1