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Devilline (Photo)

Year of discovery: 1872 (Cornwall, UK), 1981 (Japan)

Locality list: 8 localities of devilline

• CaCu₄(SO₄)₂(OH)₆,3H₂O
• [Ca²⁺][Cu²⁺₄][(OH)₆|(SO₄)₂]^10-,3H₂O

• Class: Sulfate - Hydroxide - Hydrate
• Soluble in: HCl, HNO₃
• Insoluble in: Water, H₂SO₄

• Ca => Pb: Lautenthalite
• Ca => Mn: Campigliaite

• Cu => (Cu,Zn): Serpierite, Orthoserpierite

• Color: Bluish green-Green
• Streak: Pale green
• Luster: Vitreous
• Diaphaneity: Transparent

• Cleavage: Perfect on {001} (1 plane), Distinct on {110} and {101} (3 planes)
• Hardness: 2.5
• Density: 3.1

• System: Monoclinic
• Group: 2/m, P2₁/b
• Lattice: a=20.9, b=6.1, c=22.9, β=102.7