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Lindströmite, Lindstromite

Year of discovery: 1924 (Gladhammar mines, Sweden), 2002 (Japan)

Locality list: 2 localities of lindströmite

• Pb₃Cu₃Bi₇S₁₅
• [Pb²⁺₃][Cu⁺₃][Bi³⁺₇][S₁₅]^30-

• Class: Aikinite-Bismuthinite group < Rod-type Pb sulfosalts < Sulfosalt class
• Class: Sulfosalt

• Color: Lead gray
• Streak: Black
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Prismatic elongated to [001]
• Striation: [001]

• Cleavage: Good on {100} and {010} (2 planes), Distinct on {230} (4 planes)
• Hardness: 3-3.5
• Density: 7.0

• System: Orthorhombic
• Group: mmm, Pbnm
• Lattice: a=56.1, b=11.6, c=4.0

Etymology: Gustav Lindström (Lindstrom) (1838-1916), Swedish mineralogist