Card No: 3112       Created: 10/05/1990    Last edition: 13/01/2009

Name: NEPHELINE
Specification: [5], Na, DF
Formula: Na8Al8Si8O32
Symmetry Class: hexagonal
Space Group: P 6(3)
Unit Cell
Parameters:
a = 9.9580 | c = 8.3410
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 716.30
Number of Atomic Position
per full Unit Cell
:
P/U = 64 Molar Volume, cm3/mol: Vm = 431.45
Number of Reflexes used in
Structure Determination
:

NR = 4788
X-ray density, g/cm3: p = 2.59
R-factor: R = 0.0249MU, 1/cm: µ = 80.912
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 31.287
Theta-Interval for CPDP: T/I = 1-45