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Sabugalite

Year of discovery: 1951 (Bica mine, Portugal), 1976 (Japan)

Locality list: A locality of sabugalite

• HAl(UO₂)₄(PO₄)₄,16H₂O
• [H⁺][(UO₂)²⁺₄][Al³⁺][(PO₄)₄]^12-,16H₂O

• Class: Uranyl - Phosphate - Hydrate
• Fluorescence: UV excitation (Yellow)
• Radioactive: Very strong

• Color: Yellow
• Streak: Pale yellow
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Cleavage: Perfect on {001} (1 plane)
• Hardness: 2.5
• Density: 3.2

• System: Monoclinic
• Group: 4/mmm, I4/mmm
• Lattice: a=19.4, b=9.8, c=9.9, β=96.2