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Berlinite

Year of discovery: 1868 (Västanå mine, Sweden), 2010 (Japan)

Locality list: A locality of berlinite

AlPO₄

[Al³⁺][PO₄]^3-

• Class: Phosphate
• Soluble in: KOH, NaOH
• Insoluble in: HCl, HNO₃, H₂SO₄
• Fluorescence: UV excitation (Dark red)

• Al => Fe: Rodolicoite
• Al => Y: Xenotime-(Y)
• Al => Sc: Pretulite
• Al => Yb: Xenotime-(Yb)
• Al => Ce: Monazite-(Ce)
• Al => Nd: Monazite-(Nd)
• Al => La: Monazite-(La)
• Al => Sm: Monazite-(Sm)

• PO₄ => AsO₄: Alarsite

• [] => 2H₂O: Variscite, Metavariscite

• Color: Colorless, Gray, Pale pink
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Cleavage: No
• Hardness: 6.5
• Density: 2.6

• System: Trigonal
• Group: 32, P3₁21
• Lattice: a=4.9, c=10.9