Inorganic Solid Phases

CaMg(SiO3)2 (CaMgSi2O6) Crystal Structure

Get Access CIF Download help (pdf)

General Information

  • Phase Label(s): CaMgSi2O6
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): diopside
  • Pearson Symbol: mS40
  • Space Group: 15
  • Phase Prototype: CaMgSi2O6
  • Measurement Detail(s): photographs (determination of cell and structural parameters), X-rays, Rh Kα; λ = 0.0614 nm (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, trial-and-error
  • Sample Detail(s): diopside sample from U.S.A. New York, De Kalb, sample prepared from diopside, chemical analysis; 55.12 wt.% SiO2, 25.04 wt.% CaO, 18.15 MgO, 0.40 wt.% Al2O3, 1.12 wt.% FeO, 0.45 wt.% Na2O, 0.02 wt.% K2O, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: CaMgSi2O6
  • Alphabetic Formula: CaMgO6Si2
  • Published Formula: CaMg(SiO3)2
  • Refined Formula: CaMgO6Si2
  • Wyckoff Sequence: 15,f4e2
  • Z Formula Units: 4
  • Density: ρ = 3.30 Mg·m−3
View 3D Interactive Structure

Cite this page

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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1720118

  • 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

    Download this citation

    Citation copied