Card No: 1528       Created: 21/10/1992    Last edition: 21/12/2017

Name: FIBROFERRITE
Specification: [1]
Formula: Fe(OH)SO4 · 5H2O
Symmetry Class: trigonal
Space Group: R 3(-)
Unit Cell
Parameters:
a = 24.2760 | c = 7.6560
Number of Formula Unit: Z = 18Unit Cell Volume, Å3: Vc = 3907.39
Number of Atomic Position
per full Unit Cell
:
P/U = 216 Molar Volume, cm3/mol: Vm = 130.75
Number of Reflexes used in
Structure Determination
:

NR = 818
X-ray density, g/cm3: p = 1.98
R-factor: R = 0.0760MU, 1/cm: µ = 79.178
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 39.979
Theta-Interval for CPDP: T/I = 1-45