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Wavellite [abbr. Wav ]

Year of discovery: 1805 (High Down quarry, UK), 1930 (Japan)

Locality list: 11 localities of wavellite

• Al₃(PO₄)₂(OH)₃,5H₂O
• Al₃(PO₄)₂(OH,F)₃,5H₂O
• [Al³⁺₃][(OH)₃|(PO₄)₂]^9-,5H₂O

• Class: Wavellite group
• Class: Phosphate - Hydrate
• Soluble in: HCl, HNO₃, H₂SO₄
• Fluorescence: UV excitation (Blue)

• Al => Fe: Allanpringite, Ferrisymplesite, Santabarbaraite

• Color: Green, Yellowish green, Yellowish brown, Blue, Colorless
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Habit: Acicular
• Aggregate: Radial

• Cleavage: Perfect on {110} (2 planes), Good on {101} (2 planes), Distinct on {010} (1 plane)
• Hardness: 3.5-4
• Density: 2.4

• System: Orthorhombic
• Group: mmm, Pcmm
• Lattice: a=9.6, b=17.4, c=7.0

Etymology: William Wavell (1750-1829), British medical doctor