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Carminite

Year of discovery: 1850 (Louise mine, Germany), 1992 (Japan)

Locality list: 9 localities of carminite

• PbFe₂(AsO₄)₂(OH)₂
• [Pb²⁺][Fe³⁺₂][(OH)₂|(AsO₄)₂]^8-

• Class: Carminite group
• Class: Arsenate - Hydroxide
• Soluble in: HCl (Separate PbCl₂), HNO₃

• Polymorph: Mawbyite (Monoclinic)

• Pb => Ca: Sewardite

• Color: Red
• Streak: Orange
• Luster: Vitreous
• Diaphaneity: Translucent

• Habit: Acicular

• Cleavage: Distinct on {110} (2 planes)
• Hardness: 3.5
• Density: 5.1

• System: Orthorhombic
• Group: mmm, Cccm
• Lattice: a=16.6, b=7.6, c=12.3