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Wroewolfeite

Year of discovery: 1973 (Loudville mine (Manhan mine, Southampton mine, Northanmpton mine), USA), 2000 (Japan)

Locality list: 2 localities of wroewolfeite

• Cu₄SO₄(OH)₆,2H₂O
• [Cu²⁺₄][(OH)₆|SO₄]^8-,2H₂O

• Class: Sulfate - Hydroxide - Hydrate
• Alter to Brochantite.

• Polymorph: Langite (Monoclinic)

• 2H₂O => H₂O: Posnjakite

• Color: Blue, Green
• Streak: Pale blue
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Cleavage: Perfect on {100}, {010}, and {001} (3 planes)
• Hardness: 2.5
• Density: 3.3

• System: Monoclinic
• Group: m, Pm
• Lattice: a=6.0, b=5.6, c=14.3, β=93.4