Card No: 761       Created: 04/07/2002    Last edition: 26/03/2015

Name: CARMICHAELITE
Specification: [1]
Formula: (Ti,Cr,Fe,Mg,Al)(O,OH)2
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/c
Unit Cell
Parameters:
a = 7.7060 | b = 4.5583 | c = 20.1870 | beta = 92.3340
Number of Formula Unit: Z = 22Unit Cell Volume, Å3: Vc = 708.51
Number of Atomic Position
per full Unit Cell
:
P/U = 74 Molar Volume, cm3/mol: Vm = 19.40
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.11
R-factor: -MU, 1/cm: µ = 731.114
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 178.013
Theta-Interval for CPDP: T/I = 1-45