Card No: 12404       Created: 26/11/25    Last edition: 09/04/2026

Name: HUNTITE
Specification: [3], structure type - huntite, analogue
Formula: (Sm,Bi)Fe3[BO3]4
Symmetry Class: trigonal
Space Group: R 32
Unit Cell
Parameters:
a = 9.5638 | c = 7.5790
Number of Formula Unit: Z = 3Unit Cell Volume, Å3: Vc = 600.35
Number of Atomic Position
per full Unit Cell
:
P/U = 60 Molar Volume, cm3/mol: Vm = 120.54
Number of Reflexes used in
Structure Determination
:

NR = 2769
X-ray density, g/cm3: p = 3.84
R-factor: R = 0.0112MU, 1/cm: µ = 585.421
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 152.544
Theta-Interval for CPDP: T/I = 1-45