Inorganic Solid Phases

(Co,Mg)-olivine, X(Co2+)= 0.377 (MgCo[SiO4]) Crystal Structure

General Information

  • Phase Label(s): MgCo[SiO4]
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: oP28
  • Space Group: 62
  • Phase Prototype: Mg2[SiO4]
  • Measurement Detail(s): automatic diffractometer; 22 (determination of cell parameters), automatic diffractometer; Nicolet R3 (determination of structural parameters), X-rays, Mo Kα; λ = 0.071069 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthosilicate
  • Interpretation Detail(s): complete structure determined; composition dependence studied, least-squares refinement; 822 reflections; I > 3σ(I), R = 0.0221; wR = 0.0285
  • Sample Detail(s): sample prepared from Li2CO3, MoO3, CoO, MgO, SiO2, electron microprobe analysis, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Mg1.246Co0.754[SiO4]
  • Alphabetic Formula: Co0.754Mg1.246[SiO4]
  • Published Formula: (Co,Mg)-olivine, X(Co2+)= 0.377
  • Refined Formula: Co0.75Mg1.25O4Si
  • Wyckoff Sequence: 62,dc4a
  • Z Formula Units: 4
  • Density: ρ = 3.79 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
B [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1415187

  • 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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