Card No: 12122       Created: 24/07/24    Last edition: 27/03/2026

Name: IOWAITE
Specification: [3], DF
Formula: [Mg0.75Fe0.25](OH)2[H2O,Cl]
Symmetry Class: trigonal
Space Group: R 3(-)m
Unit Cell
Parameters:
a = 3.1077 | c = 23.8850
Number of Formula Unit: Z = 3Unit Cell Volume, Å3: Vc = 199.77
Number of Atomic Position
per full Unit Cell
:
P/U = 51 Molar Volume, cm3/mol: Vm = 40.11
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.08
R-factor: -MU, 1/cm: µ = 93.512
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 44.876
Theta-Interval for CPDP: T/I = 1-45