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Wakefieldite-(Y)

Year of discovery: 1969 (Evans-Lou mine, Canada), 2011 (Japan)

Locality list: 3 localities of wakefieldite-(Y)

• YVO₄
• [Y³⁺][VO₄]^3-

• Class: Xenotime group
• Class: Vanadate
• Radioactive: Weak

• Y => Bi: Pucherite, Clinobisvanite, Dreyerite
• Y => Ce: Wakefieldite-(Ce)
• Y => La: Wakefieldite-(La)
• Y => Nd: Wakefieldite-(Nd)

• VO₄ => PO₄: Xenotime-(Y)
• VO₄ => AsO₄: Chernovite-(Y)
• VO₄ => NbO₄: Fergusonite-(Y), β-fergusonite-(Y), Samarskite-(Y)
• VO₄ => TaO₄: Yttrotantalite-(Y), Formanite-(Y), Iwashiroite-(Y), Takanawaite-(Y)

• Color: Yellow-Yellowish brown
• Streak: White

• Hardness: 5
• Density: 4.2

• System: Tetragonal
• Group: 4mm, I4₁/amd
• Lattice: a=7.1, c=6.2