Card No: 1088       Created: 27/04/1990    Last edition: 03/04/2017

Name: CRYOLITHIONITE
Specification: [1], structure type - garnet
Formula: Na3Al2Li3F12
Symmetry Class: cubic
Space Group: I a3d
Unit Cell
Parameters:
a = 12.1220
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 1781.24
Number of Atomic Position
per full Unit Cell
:
P/U = 160 Molar Volume, cm3/mol: Vm = 134.11
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.77
R-factor: R = 0.0310MU, 1/cm: µ = 63.016
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 22.738
Theta-Interval for CPDP: T/I = 1-45