Crystal Structure of (Ce1.86 La1.23 Nd0.35 Pr0.15 Sm0.01 Y0.04 Ca0.24 Th0.12) (Mg0.8 Fe0.2) (Cr1.28 Fe0.72) (Ti1.52 Nb0.32) Si4 O22


Canadian Mineralogist (2001) 39, 1095-1104


Chemical name(Ce1.86 La1.23 Nd0.35 Pr0.15 Sm0.01 Y0.04 Ca0.24 Th0.12) (Mg0.8 Fe0.2) (Cr1.28 Fe0.72) (Ti1.52 Nb0.32) Si4 O22
FormulaCa0.24Ce1.86Cr1.28Fe0.92La1.23Mg0.8Nb0.32Nd0.35O22Pr0.15Si4Sm0.01Th0.12Ti1.52Y0.04
a (Å)13.398
b (Å)5.6974
c (Å)11.042
α (°)90
β (°)100.539
γ (°)90
V (Å3)828.659
Space groupC 1 2/m 1