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Benavidesite

Year of discovery: 1982 (Uchucchacua mine, Peru, and Sätra mine, Sweden), 1990 (Japan)

Locality list: 3 localities of benavidesite

• Pb₄MnSb₆S₁₄
• Pb₄(Mn,Fe)Sb₆S₁₄
• [Pb²⁺₄][Mn²⁺][Sb³⁺₆][S₁₄]^28-

• Class: Jamesonite subgroup < Boulangerite group < Rod-type Pb sulfosalts < Sulfosalt class
• Class: Sulfosalt

• Mn => Fe: Jamesonite (Series)

• Color: Grayish white
• Streak: Grayish brown
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Acicular, Granular
• Twin: Parallel to elongation

• Cleavage: No
• Hardness: 2.5
• Density: 5.6

• System: Monoclinic
• Group: 2/m, P2₁/a
• Lattice: a=15.7, b=19.1, c=4.1, β=91.5

Etymology: A. Benavides, contributor to the development of economic geology in Peru

Synonym: Bénavidésite