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Lanthanite-(La)

Year of discovery: 1845 (Bastnäs mines, Sweden), 1998 (Japan)

Locality list: A locality of lanthanite-(La)

• La₂(CO₃)₃,8H₂O
• (La,Ce)₂(CO₃)₃,8H₂O
• [La³⁺₂][(CO₃)₃]^6-,8H₂O

• Class: Carbonate - Hydrate
• Soluble in: HCl
• Radioactive: Weak

• La => Nd: Lanthanite-(Nd)
• La => Ce: Lanthanite-(Ce), Calkinsite-(Ce)
• La => Y: Tengerite-(Y)

• Color: White, Pale red
• Streak: White
• Luster: Pearly
• Diaphaneity: Transparent

• Cleavage: Perfect
• Hardness: 2.5-3
• Density: 2.6

• System: Orthorhombic
• Group: mmm, Pbnb
• Lattice: a=9.5, b=16.9, c=8.9