Inorganic Solid Phases

Mn7Si3O12(OH)2 (Ca0.7Mg0.2Zn0.2Mn5.9[SiO4]3[OH]2) Crystal Structure

General Information

  • Phase Label(s): Ca0.7Mg0.2Zn0.2Mn5.9[SiO4]3[OH]2
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): leucophoenicite
  • Pearson Symbol: mP50
  • Space Group: 14
  • Phase Prototype: Mn7[SiO4]3[OH]2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; United Kingdom, Chilton-Didcot, Rutherford Appleton Laboratory, ISIS Facility, POLARIS (determination of structural parameters), neutrons, time-of-flight (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, orthosilicate
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, multiphase; 110 variables, RP = 0.021; wRP = 0.020
  • Sample Detail(s): leucophoenicite sample from U.S.A. New Jersey, Sussex County, Franklin Furnace, electron microprobe analysis; 60.5 wt.% MnO, 26.22 wt.% SiO2, 5.20 wt.% CaO, 2.52 wt.% ZnO, 0.95 wt.% MgO, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Ca0.7Mg0.2Zn0.2Mn5.9[SiO4]3[OH]2
  • Alphabetic Formula: Ca0.7Mg0.2Mn5.9[OH]2[SiO4]3Zn0.2
  • Published Formula: Mn7Si3O12(OH)2
  • Refined Formula: Ca0.64H2Mg0.19Mn5.98O14Si3Zn0.19
  • Wyckoff Sequence: 14,e12a
  • Z Formula Units: 2
  • Density: ρ = 3.89 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_1811891

  • 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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