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Calderónite, Calderonite

Year of discovery: 2001 (Las Colmenitas mine, Spain), 2002 (Japan)

Locality list: A locality of calderónite

• Pb₂Fe(VO₄)₂(OH)
• Pb₂(Fe,Cu)(VO₄)₂(OH)
• [Pb²⁺₂][Fe³⁺][OH|(VO₄)₂]^7-

• Class: Vanadate - Hydroxide

• Pb => Ba: Gamagarite

• Fe => Mn: Brackebuschite

• VO₄ => PO₄: Ferribushmakinite

• VO₄ => AsO₄: Arsenbrackebuschite

• Color: Reddish brown-Yellow
• Streak: Orange
• Luster: Adamantine
• Diaphaneity: Transparent

• Cleavage: No
• Hardness: 3-4
• Density: 6.1

• System: Monoclinic
• Group: 2/m, P2₁/m
• Lattice: a=7.6, b=6.1, c=8.9, β=112.0