Card No: 9775       Created: 24/02/16    Last edition: 06/09/2016

Name: PARAERSHOVITE
Specification: [1], DN
Formula: Na3K3Fe3+2[Si4O10OH]2(OH)2 · 4H2O
Symmetry Class: triclinic
Space Group: P 1(-)
Unit Cell
Parameters:
a = 10.1978 | b = 12.0155 | c = 5.2263 | alpha = 103.4000 | beta = 96.0000 | gamma = 91.7000
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 618.46
Number of Atomic Position
per full Unit Cell
:
P/U = 63 Molar Volume, cm3/mol: Vm = 372.52
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.58
R-factor: -MU, 1/cm: µ = 174.958
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 67.716
Theta-Interval for CPDP: T/I = 1-45