Card No: 11971       Created: 22/11/23    Last edition: 27/03/2026

Name: MONAZITE-(Gd)
Specification: [2], structure type - monazite
Formula: (Gd,Sm,Nd)PO4
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/n
Unit Cell
Parameters:
a = 6.7030 | b = 6.9140 | c = 6.3830 | beta = 103.8000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 287.28
Number of Atomic Position
per full Unit Cell
:
P/U = 24 Molar Volume, cm3/mol: Vm = 43.26
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 5.68
R-factor: -MU, 1/cm: µ = 1556.006
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 273.827
Theta-Interval for CPDP: T/I = 1-45