Card No: 5860       Created: 17/06/2004    Last edition: 25/03/2015

Name: DICKITE
Specification: [4], at 4.1 GPa
Formula: Al2[Si2O5](OH)4
Symmetry Class: monoclinic-beta
Space Group: C c
Unit Cell
Parameters:
a = 5.0820 | b = 8.7570 | c = 13.7700 | beta = 89.6000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 612.79
Number of Atomic Position
per full Unit Cell
:
P/U = 68 Molar Volume, cm3/mol: Vm = 92.28
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.84
R-factor: -MU, 1/cm: µ = 83.766
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 29.485
Theta-Interval for CPDP: T/I = 1-45