Card No: 10066       Created: 27/03/17    Last edition: 03/07/2017

Name: JACOBSITE
Specification: [2], structure type - spinel
Formula: (Mn,Mg,Fe)(Al,Fe,Mn)2O4
Symmetry Class: cubic
Space Group: *F d3m
Unit Cell
Parameters:
a = 8.4075
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 594.29
Number of Atomic Position
per full Unit Cell
:
P/U = 56 Molar Volume, cm3/mol: Vm = 44.75
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.64
R-factor: -MU, 1/cm: µ = 175.747
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 37.881
Theta-Interval for CPDP: T/I = 1-45