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Cannizzarite

Year of discovery: 1925 (La Fossa crater (Vulcano island), Italy), 1976 (Japan)

Locality list: 9 localities of cannizzarite

• Pb₄Bi₆S₁₃
• [Pb²⁺₄][Bi³⁺₆][S₁₃]^26-

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

• Bi => Sb: Robinsonite

• Color: White-Silver gray
• Tarnish: Iridescent
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Stringy, Acicular
• Aggregate: Filiform, Radial

• Hardness: 2
• Density: 6.7

• System: Monoclinic
• Group: 2/m, P2₁/m
• Lattice: a=4.1, b=4.1, c=15.5, β=99.0

Etymology: Stanislao Cannizzaro (1826-1910), Italian chemist of University of Rome