Inorganic Solid Phases

chromite, 2.9(3) wt.% MgO, 5.8(1) wt.% Al2O3, 3.2(1) wt.% TiO2, 0.73(5) wt.% V2O3, 57.2(9) wt.% Cr2O3, 0.71(6) wt.% MnO, 29.0(10) wt.% FeO, 0.01(1) wt.% NiO, 0.33(6) wt.% ZnO (Mg0.35Zn0.03Ti0.03V0.01Cr1.68Mn0.05Fe0.6Al0.25O4) Crystal Structure

General Information

  • Phase Label(s): Mg0.35Zn0.03Ti0.03V0.01Cr1.68Mn0.05Fe0.6Al0.25O4
  • Structure Class(es): spinel family
  • Classification by Properties:
  • Mineral Name(s): chromite
  • Pearson Symbol: cF56
  • Space Group: 227
  • Phase Prototype: MgAl2O4
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Kuma Diffraction KM-4 (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, least-squares refinement on F2; 127 reflections, R = 0.0223; wR = 0.0334
  • Sample Detail(s): chromite sample from meteorite Kinnekulle, Sweden, electron microprobe analysis; 2.9(3) wt.% MgO, 5.8(1) wt.% Al2O3, 3.2(1) wt.% TiO2, 0.73(5) wt.% V2O3, 57.2(9) wt.% Cr2O3, 0.71(6) wt.% MnO, 29.0(10) wt.% FeO, 0.01(1) wt.% NiO, 0.33(6) wt.% ZnO, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Mg0.16Zn0.01Ti0.09V0.02Cr1.67Mn0.02Fe0.9Al0.13O4
  • Alphabetic Formula: Al0.13Cr1.67Fe0.9Mg0.16Mn0.02O4Ti0.09V0.02Zn0.01
  • Published Formula: chromite, 2.9(3) wt.% MgO, 5.8(1) wt.% Al2O3, 3.2(1) wt.% TiO2, 0.73(5) wt.% V2O3, 57.2(9) wt.% Cr2O3, 0.71(6) wt.% MnO, 29.0(10) wt.% FeO, 0.01(1) wt.% NiO, 0.33(6) wt.% ZnO
  • Refined Formula: Al0.38Cr1.62Fe0.71Mg0.29O4
  • Wyckoff Sequence: 227,ecb
  • Z Formula Units: 8
  • Density: ρ = 4.95 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_1238888

  • 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

    Citation copied