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Kimuraite-(Y)

Year of discovery: 1986 (Japan as the first occurence in the World)

Locality list: 8 localities of kimuraite-(Y)

• CaY₂(CO₃)₄,6H₂O
• Ca(Y,Nd)₂(CO₃)₄,6H₂O
• [Ca²⁺][Y³⁺₂][(CO₃)₄]^8-,6H₂O

• Class: Carbonate - Hydrate
• Fluorescence: UV excitation (Purple)

• Color: Pale purple, White
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent

• Habit: Tabular
• Aggregate: globular

• Cleavage: Perfect on {010} (1 plane)
• Hardness: 2.5
• Density: 2.6

• System: Orthorhombic
• Group: mmm, Imm2
• Lattice: a=9.3, b=24.0, c=6.0

Etymology: Professor Kenjiro Kimura (1896-1988), Japanese chemist