Inorganic Solid Phases

(Mg0.91Mn0.09)6Zn3(OH)8(AsO4)2(SiO4) (Mg0.55Zn3Mn5.45[SiO4][AsO4]2[OH]8) Crystal Structure

General Information

  • Phase Label(s): Mg0.55Zn3Mn5.45[SiO4][AsO4]2[OH]8
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): holdenite
  • Pearson Symbol: oS256
  • Space Group: 64
  • Phase Prototype: Mg0.55Zn3Mn5.45[SiO4][AsO4]2[OH]8
  • Measurement Detail(s): precession photographs (determination of cell parameters), automatic diffractometer; Philips PAILRED (determination of structural parameters), X-rays, Mo Kα (determination of cell parameters), X-rays, Mo Kα; λ = 0.07093 nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): arsenate, hydroxide, orthosilicate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 3478 reflections; I > 1σ(I), R = 0.064; wR = 0.081
  • Sample Detail(s): holdenite sample from (U.S.A. Massachusetts, Cambridge, Harvard University, Mineralogical Museum), electron microprobe analysis; 37.25 wt.% MnO, 25.52 wt.% ZnO, 5.48 wt.% SiO2, 19.25 wt.% As2O5, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Mg0.55Zn3Mn5.45[SiO4][AsO4]2[OH]8
  • Alphabetic Formula: [AsO4]2Mg0.55Mn5.45[OH]8[SiO4]Zn3
  • Published Formula: (Mg0.91Mn0.09)6Zn3(OH)8(AsO4)2(SiO4)
  • Refined Formula: As2H8Mg0.55Mn5.45O20SiZn3
  • Wyckoff Sequence: 64,g13f3ed2
  • Z Formula Units: 8
  • Density: ρ = 4.11 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]

Powder Pattern

published defraction line
d [Å]
computed diffraction line for Cu Kα
d [nm]
intensity
I [1]
h [1]
k [1]
l [1]
Radiation
Remark

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1615848

  • 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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