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Rhabdophane-(La)

Year of discovery: 1959 (Scoville mine, USA), 2010 (Japan)

Locality list: 2 localities of rhabdophane-(La)

• LaPO₄,H₂O
• (La,Ce)PO₄,H₂O
• [La³⁺][PO₄]^3-,H₂O

• Class: Rhabdophane group
• Class: Phosphate - Hydrate
• Soluble in: HCl
• Radioactive: Weak

• La => Nd: Rhabdophane-(Nd)
• La => Ce: Rhabdophane-(Ce)
• La => Y: Rhabdophane-(Y)
• La => Ca: Brockite
• La => Th: Grayite

• Color: Brown, Pale yellow
• Streak: White
• Luster: Greasy
• Diaphaneity: Translucent

• Cleavage: No
• Hardness: 3.5
• Density: 3.9

• System: Hexagonal
• Group: 622, P6₂22
• Lattice: a=7.0, c=6.4