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Weibullite

Year of discovery: 1910 (Falun mine, Sweden), 2016 (Japan)

Locality list: A locality of weibullite

• Pb₆Bi₈Se₇S₁₁
• Pb₆Bi₈(Se,S)₁₈
• [Pb²⁺₆][Bi³⁺₈][Se₇|S₁₁]^36-

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

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

• Cleavage: Good on parallel to the elongation (1 plane)
• Hardness: 2-3
• Density: 7.1

• System: Orthorhombic
• Group: mmm, Pbnm
• Lattice: a=15.4, b=4.1, c=53.8