Card No: 107       Created: 21/04/1992    Last edition: 01/06/2018

Name: ALMANDINE
Specification: [1], structure type - garnet
Formula: Fe3Al2Si3O12
Symmetry Class: cubic
Space Group: I a3d
Unit Cell
Parameters:
a = 11.5310
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 1533.21
Number of Atomic Position
per full Unit Cell
:
P/U = 160 Molar Volume, cm3/mol: Vm = 115.44
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.31
R-factor: -MU, 1/cm: µ = 209.274
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