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Poubaite

Year of discovery: 1978 (Oldřichov (Ullersreith), Czech), 1990 (Japan)

Locality list: 2 localities of poubaite

• PbBi₂Se₄
• PbBi₂(Se,Te,S)₄
• [Pb²⁺][Bi³⁺₂][Se₄]^8-

• Class: Aleksite group < Trigonal layered Pb sulfosalts < Sulfosalt class
• Class: Selenio-salt

• Se => Te: Rucklidgeite

• Se₄ => Te₂S₂: Aleksite

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

• Cleavage: No
• Hardness: 2.5-3

• System: Trigonal
• Lattice: a=4.3, c=40.1