Ramazzoite

IMA formula: [Mg₈Cu₁₂(PO₄)(CO₃)₄(OH)₂₄(H₂O)₂₀][(H_0.33SO₄)₃ (H₂O)₃₆]

Crystallography: Isometric. P-43m. a = 13.3887(10) Å. Z = 1.