SULFATES

The sulfate minerals all contain one or more sulfate anions (SO₄^-2).

Gypsum (CaSO₄·2H₂O)

Anhydrite (CaSO₄)

Celestite (SrSO₄)

Barite (BaSO₄)

Linarite (PbCuSO₄(OH)₂)

Alunite (KAl₃(SO₄)₂(OH)₆)

Glauberite (Na₂Ca(SO₄)₂)

Polyhalite (K₂Ca₂Mg(SO₄)₄·2H₂O)

Chalcoalumite (CuAl₄SO₄(OH)₁₂·3H₂O)

Natrochalcite (NaCu₂(SO₄)₂(OH)·H₂O)

Leightonite (K₂Ca₂Cu(SO₄)₄·2H₂O)

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