Card No: 3269       Created: 19/11/1996    Last edition: 13/01/2009

Name: FORSTERITE
Specification: [48], structure type - olivine, analogue, at 3.72 GPa
Formula: LiScSiO4
Symmetry Class: orthorhombic
Space Group: P bnm
Unit Cell
Parameters:
a = 4.7717 | b = 10.3320 | c = 5.9128
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 291.51
Number of Atomic Position
per full Unit Cell
:
P/U = 28 Molar Volume, cm3/mol: Vm = 43.90
Number of Reflexes used in
Structure Determination
:

NR = 186
X-ray density, g/cm3: p = 3.28
R-factor: R = 0.0540MU, 1/cm: µ = 244.081
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 74.423
Theta-Interval for CPDP: T/I = 1-45