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Pretulite

Year of discovery: 1996 (Höllkogel, Austria), 2016 (Japan)

Locality list: A locality of pretulite

• ScPO₄
• [Sc³⁺][PO₄]^3-

• Class: Xenotime group
• Class: Phosphate
• Fluorescence: Short UV excitation (Pale orange)

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

• [] => 2H₂O: Kolbeckite

• Color: Pale pink, Pale brown
• Streak: White
• Luster: Adamantine
• Diaphaneity: Transparent

• Cleavage: Perfect on {100} (1 plane)
• Hardness: 5
• Density: 3.7

• System: Tetragonal
• Group: 4/mmm, I4₁/amd
• Lattice: a=6.6, c=5.8