Card No: 5662       Created: 17/03/03    Last edition: 01/08/2018

Name: LEIFITE
Specification: [2]
Formula: (Cs,Na)Na6[Be2Al3Si15O39F2] · 0.63H2O
Symmetry Class: trigonal
Space Group: P 3(-)m1
Unit Cell
Parameters:
a = 14.3608 | c = 4.8570
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 867.47
Number of Atomic Position
per full Unit Cell
:
P/U = 69 Molar Volume, cm3/mol: Vm = 522.51
Number of Reflexes used in
Structure Determination
:

NR = 837
X-ray density, g/cm3: p = 2.64
R-factor: R = 0.0290MU, 1/cm: µ = 95.852
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 36.360
Theta-Interval for CPDP: T/I = 1-45