Inorganic Solid Phases

(Si7.20Al0.80)(Al0.58Ti4+0.02Fe3+0.04Fe2+1.06Mg5.14Mn0.01Ca0.12)Na0.21O22F0.03(OH)1.97 (Na0.5Ca0.04Mg4.52Ti0.05Fe1.18Al2.9Si6.28O22[OH]1.92F0.08) Crystal Structure

General Information

  • Phase Label(s): Na0.5Ca0.04Mg4.52Ti0.05Fe1.18Al2.9Si6.28O22[OH]1.92F0.08
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): gedrite
  • Pearson Symbol: oP160
  • Space Group: 62
  • Phase Prototype: Na0.5Mg4.5Fe1.5Al3Si6O22[OH]2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Siemens P4 (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, fluoride
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 1373 reflections; F > 4σ(F), R = 0.066
  • Sample Detail(s): gedrite sample from Norway, Kongsberg, electron microprobe analysis, Mössbauer spectroscopy; (Si7.20Al0.80)(Al0.58Ti4+0.02Fe3+0.04Fe2+1.06Mg5.14Mn0.01Ca0.12)Na0.21O22F0.03[OH]1.97, single crystal (determination of cell parameters), single crystal, 0.03×0.06×0.12 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na0.21Ca0.12Mg5.14Ti0.02Fe1.11Al1.38Si7.2O22[OH]1.97F0.03
  • Alphabetic Formula: Al1.38Ca0.12F0.03Fe1.11Mg5.14Na0.21O22[OH]1.97Si7.2Ti0.02
  • Published Formula: (Si7.20Al0.80)(Al0.58Ti4+0.02Fe3+0.04Fe2+1.06Mg5.14Mn0.01Ca0.12)Na0.21O22F0.03(OH)1.97
  • Refined Formula: Al1.40Ca0.12Fe1.12H2Mg5.15Mn0.01Na0.21O24Si7.18Ti0.02
  • Wyckoff Sequence: 62,d17c6
  • Z Formula Units: 4
  • Density: ρ = 3.10 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_1221192

  • 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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