Card No: 12190       Created: 6/11/24    Last edition: 02/04/2026

Name: IGELSTROMITE
Specification: [1], structure type - minium
Formula: Fe3+(Sb3+Pb2+)O4
Symmetry Class: tetragonal
Space Group: P 4(2)/mbc
Unit Cell
Parameters:
a = 8.4856 | c = 6.0450
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 435.27
Number of Atomic Position
per full Unit Cell
:
P/U = 28 Molar Volume, cm3/mol: Vm = 65.55
Number of Reflexes used in
Structure Determination
:

NR = 411
X-ray density, g/cm3: p = 6.15
R-factor: R = 0.0373MU, 1/cm: µ = 1671.922
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 271.872
Theta-Interval for CPDP: T/I = 1-45