Card No: 801       Created: 21/09/1990    Last edition: 01/02/2021

Name: CERITE-(Ce)
Specification: [1], structure type - whitlockite, DF
Formula: (Ce,La,Nd,Ca)9(Fe3+,Mg,Al)[SiO4]6[SiO3OH](OH)3
Symmetry Class: trigonal
Space Group: R 3c
Unit Cell
Parameters:
a = 10.7790 | c = 38.0600
Number of Formula Unit: Z = 6Unit Cell Volume, Å3: Vc = 3829.63
Number of Atomic Position
per full Unit Cell
:
P/U = 300 Molar Volume, cm3/mol: Vm = 384.45
Number of Reflexes used in
Structure Determination
:

NR = 1711
X-ray density, g/cm3: p = 5.15
R-factor: R = 0.0320MU, 1/cm: µ = 1680.871
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 326.233
Theta-Interval for CPDP: T/I = 1-30