Inorganic Solid Phases

K0.7Mg2(Al2.5Fe0.5)(Si10.3Al1.7)O30; KMg2Al3(Al2Si10)O10 (K0.7MgFeAl5Si10O30) Crystal Structure

General Information

  • Phase Label(s): K0.7MgFeAl5Si10O30
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): osumilite-(Mg)
  • Pearson Symbol: hP96
  • Space Group: 192
  • Phase Prototype: KCa2(Be0.67Al0.33)3Si12O30
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Agilent Technologies SuperNova (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 293 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, least-squares refinement on F; 41 variables; 1065 reflections; I > 3σ(I), R = 0.0294; wR = 0.0472
  • Sample Detail(s): osumilite-(Mg) sample from Germany, Rhineland-Palatinate, Eifel, Bellerberg, Caspar quarry, electron microprobe analysis; (K0.72Na0.03Ca0.01)(Mg1.97Mn0.04)[Al4.21Fe3+0.45Si10.32]O30, single crystal (determination of cell parameters), single crystal, 0.15×0.21×0.25 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K0.7Mg2Fe0.5Al4.2Si10.3O30
  • Alphabetic Formula: Al4.2Fe0.5K0.7Mg2O30Si10.3
  • Published Formula: K0.7Mg2(Al2.5Fe0.5)(Si10.3Al1.7)O30; KMg2Al3(Al2Si10)O10
  • Refined Formula: Al4.20Fe0.50K0.70Mg2O30Si10.30
  • Wyckoff Sequence: 192,m3lfca
  • Z Formula Units: 2
  • Density: ρ = 2.59 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

Anisotropic

Site
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [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_1232378

  • 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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