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Paracoquimbite

Year of discovery: 1935 (Alcaparrosa mine, Chile, Quetána mine, Chile, and Tierra Amarilla, Chile), 1985 (Japan)

Locality list: 2 localities of paracoquimbite

• Fe₂(SO₄)₃,9H₂O
• (Fe,Al)₂(SO₄)₃,9H₂O
• [Fe³⁺₂][(SO₄)₃]^6-,9H₂O

• Class: Sulfate - Hydrate
• Soluble in: Water
• Taste: Astringent

• Polymorph: Coquimbite (Trigonal)

• Color: Pale purple
• Luster: Vitreous
• Diaphaneity: Transparent

• Cleavage: Imperfect on {0112} and {1014}
• Hardness: 2.5
• Density: 2.1

• System: Trigonal
• Group: (-3), R(-3)
• Lattice: a=10.9, c=51.3