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Brackebuschite

Year of discovery: 1880 (Venus mine, Argentina), 2012 (Japan)

Locality list: A locality of brackebuschite

• Pb₂Mn(VO₄)₂(OH)
• Pb₂(Mn,Fe)(VO₄)₂(OH)
• [Pb²⁺₂][Mn³⁺][OH|(VO₄)₂]^7-

• Class: Vanadate - Hydroxide

• Pb => Ba: Tokyoite

• Mn => Fe: Calderónite, Calderonite

• Color: Dark brown-Black
• Streak: Yellow
• Luster: Resinous
• Diaphaneity: Translucent-Opaque

• Cleavage: No
• Hardness: 4-5
• Density: 6.1

• System: Monoclinic
• Group: 2/m, P2₁/m
• Lattice: a=8.9, b=6.2, c=7.7, β=111.5