Card No: 168       Created: 15/05/1990    Last edition: 13/01/2009

Name: AMICITE
Specification: [1], ZL
Formula: K4Na4[Al8Si8O32] · 10H2O
Symmetry Class: monoclinic-beta
Space Group: I 2
Unit Cell
Parameters:
a = 10.2260 | b = 10.4220 | c = 9.8840 | beta = 88.3200
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 1052.94
Number of Atomic Position
per full Unit Cell
:
P/U = 68 Molar Volume, cm3/mol: Vm = 634.22
Number of Reflexes used in
Structure Determination
:

NR = 1245
X-ray density, g/cm3: p = 2.23
R-factor: R = 0.0410MU, 1/cm: µ = 90.828
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 40.657
Theta-Interval for CPDP: T/I = 1-45