Inorganic Solid Phases

franklinite, FRK1b (Mg0.020Zn0.341Ti0.025Mn0.298Fe2.252Al0.064O4) Crystal Structure

General Information

  • Phase Label(s): Mg0.020Zn0.341Ti0.025Mn0.298Fe2.252Al0.064O4
  • Structure Class(es): spinel family
  • Classification by Properties:
  • Mineral Name(s): franklinite
  • Pearson Symbol: cF56
  • Space Group: 227
  • Phase Prototype: MgAl2O4
  • Measurement Detail(s): automatic diffractometer; 24 (determination of cell parameters), automatic diffractometer; Siemens P4 (determination of structural parameters), X-rays, Mo Kα1; λ = 0.070930 nm (determination of cell parameters), X-rays, Mo Kα (determination of structural parameters), T = 296 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 167 reflections; I > 2σ(I), R = 0.0265
  • Sample Detail(s): franklinite sample from U.S.A. New Jersey, Sussex County, Franklin Furnace, sample prepared from franklinite, electron microprobe analysis; Mg0.020(3)Mn2+0.298(33)Zn0.341(59)Fe2+0.366(75)Fe3+1.887(67)Al0.064(8)Ti0.025(3)O4, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Mg0.020Zn0.341Ti0.025Mn0.298Fe2.252Al0.064O4
  • Alphabetic Formula: Al0.064Fe2.252Mg0.020Mn0.298O4Ti0.025Zn0.341
  • Published Formula: franklinite, FRK1b
  • Refined Formula: Al0.06Fe2.27Mg0.02Mn0.34O4Ti0.02Zn0.30
  • Wyckoff Sequence: 227,ecb
  • Z Formula Units: 8
  • Density: ρ = 5.09 Mg·m−3

Crystallographic Data

Cell Parameters

Published Data
Standardized Data
Unit Cell
Niggli-Reduced Cell
Space Group
a
b
c
α
β
γ
a/b
b/c
c/a
V

Atom Coordinates

Standardized

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation
Co-ord. No.
Atomic Env.

Published

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation

Displacement Parameters

Isotropic

Site
Published
U [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1601564

  • Copyright

    ©Springer & Material Phases Data System (MPDS), Switzerland & National Institute for Materials Science (NIMS), Japan, 2016

  • Chief Editor

    Pierre Villars, Material Phases Data System (MPDS), CH-6354 Vitznau, Switzerland

    villars.mpds@bluewin.ch

  • Credits

    SpringerMaterials Release 2016.

    Data generated pre-2002: © Springer & MPDS & NIMS; post-2001: © Springer & MPDS

    All Rights Reserved. Version 2016.10.

    Project Coordinator: Shuichi Iwata

    Section-Editor: Karin Cenzual (Crystal Structures)

  • Cite this content

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