Card No: 109       Created: 27/05/1993    Last edition: 13/01/2009

Name: ALMANDINE
Specification: [3], structure type - garnet, at 42oK
Formula: Fe3Al2Si3O12
Symmetry Class: cubic
Space Group: I a3d
Unit Cell
Parameters:
a = 11.5070
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 1523.65
Number of Atomic Position
per full Unit Cell
:
P/U = 160 Molar Volume, cm3/mol: Vm = 114.72
Number of Reflexes used in
Structure Determination
:

NR = 79
X-ray density, g/cm3: p = 4.34
R-factor: R = 0.0590MU, 1/cm: µ = 210.586
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 48.541
Theta-Interval for CPDP: T/I = 1-45