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Beaverite-(Cu) (Photo)

Year of discovery: 1911 (Horn mine, USA), 1969 (Japan)

Locality list: 5 localities of beaverite-(Cu)

• PbCuFe₂(SO₄)₂(OH)₆
• PbCu(Fe³⁺,Al)₂[(OH)₆|(SO₄)₂]
• [Pb²⁺][Cu²⁺][Fe³⁺₂][(OH)₆|(SO₄)₂]^10-

• Class: Alunite group < Alunite supergroup
• Class: Sulfate - Hydroxide
• Soluble in: HCl, concentrated hot H₂SO₄
• Insoluble in: Water

• Cu => Fe: Plumbojarosite
• Cu => Zn: Beaverite-(Zn)

• Fe => Al: Osarizawaite

• Color: Yellow
• Streak: Yellow
• Luster: Earthy

• Aggregate: Earthy

• Hardness: 3.5-4.5
• Density: 4.3

• System: Trigonal
• Group: (-3)m, R(-3)m
• Lattice: a=7.2, c=17.0