Card No: 1398       Created: 04/12/2001    Last edition: 13/01/2009

Name: EUCRYPTITE
Specification: [10], alpha, structure type - phenakite
Formula: LiAlSiO4
Symmetry Class: trigonal
Space Group: R 3
Unit Cell
Parameters:
a = 13.5320 | c = 9.0440
Number of Formula Unit: Z = 18Unit Cell Volume, Å3: Vc = 1434.22
Number of Atomic Position
per full Unit Cell
:
P/U = 126 Molar Volume, cm3/mol: Vm = 47.99
Number of Reflexes used in
Structure Determination
:

NR = 3956
X-ray density, g/cm3: p = 2.63
R-factor: R = 0.0259MU, 1/cm: µ = 78.215
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 29.795
Theta-Interval for CPDP: T/I = 1-45