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Scorzalite

Year of discovery: 1949 (Córrego Frio mine, Brazil), 1973 (Japan)

Locality list: 4 localities of scorzalite

• FeAl₂(PO₄)₂(OH)₂
• (Fe,Mg)Al₂(PO₄)₂(OH)₂
• [Fe²⁺][Al³⁺₂][(OH)₂|(PO₄)₂]^8-

• Class: Lazulite group
• Class: Phosphate - Hydroxide
• Soluble in: hot HCl, hot HNO₃, hot H₂SO₄

• Fe => Mg: Lazulite (Series)

• Al => Fe: Barbosalite

• Color: Dark blue
• Streak: Pale blue
• Luster: Vitreous
• Diaphaneity: Translucent

• Habit: Granular

• Cleavage: Good on {110} (2 planes), Indistinct on {101} (1 plane)
• Hardness: 6
• Density: 3.3

• System: Monoclinic
• Group: 2/m, P2₁/c
• Lattice: a=7.2, b=7.3, c=7.3, β=120.6