Card No: 7544       Created: 10/02/2010    Last edition: 16/05/2013

Name: ALMANDINE
Specification: [7], structure type - garnet, Co-analogue, at 7.40 GPa
Formula: Co3Al2Si3O12
Symmetry Class: cubic
Space Group: I a3d
Unit Cell
Parameters:
a = 11.3200
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 1450.57
Number of Atomic Position
per full Unit Cell
:
P/U = 160 Molar Volume, cm3/mol: Vm = 109.22
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.64
R-factor: -MU, 1/cm: µ = 239.105
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 51.513
Theta-Interval for CPDP: T/I = 1-45