Card No: 4051       Created: 18/06/1997    Last edition: 19/04/2016

Name: SAHAMALITE-(Ce)
Specification: [1]
Formula: (Mg,Fe)(Ce,La)2[CO3]4
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/a
Unit Cell
Parameters:
a = 5.8940 | b = 16.1160 | c = 4.6120 | beta = 106.5400
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 419.96
Number of Atomic Position
per full Unit Cell
:
P/U = 38 Molar Volume, cm3/mol: Vm = 126.48
Number of Reflexes used in
Structure Determination
:

NR = 1453
X-ray density, g/cm3: p = 4.33
R-factor: R = 0.0430MU, 1/cm: µ = 822.727
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 189.984
Theta-Interval for CPDP: T/I = 1-45