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Spangolite

Year of discovery: 1890 (World), 1981 (Japan)

Locality list: 2 localities of spangolite

• Cu₆AlSO₄(OH)₁₂Cl,3H₂O
• [Cu²⁺₆][Al³⁺][(OH)₁₂|Cl|SO₄]^15-,3H₂O

• Class: Sulfate - Chloride - Hydroxide
• Soluble in: HCl, HNO₃, H₂SO₄
• Insoluble in: Water
• Electrical: Pyroelectric

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

• Cleavage: Perfect on {0001} (1 plane), Distinct on {1011} (3 plane)
• Hardness: 3
• Density: 3.1

• System: Trigonal
• Group: 3m, P3₁c
• Lattice: a=8.2, c=14.3