Inorganic Solid Phases

K(☐0.5Na0.5)2(Mg0.8Mn0.1Fe0.1)2(Be0.6Mg0.4)3[Si12O30] (KNaMg2.8Be1.8Mn0.2Fe0.2Si12O30) Crystal Structure

General Information

  • Phase Label(s): KNaMg2.8Be1.8Mn0.2Fe0.2Si12O30
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): friedrichbeckeite
  • Pearson Symbol: hP104
  • Space Group: 192
  • Phase Prototype: KCa2(Be0.77Al0.23)3Si12O29.7[OH]0.3[H2O]0.70
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Nonius KAPPA (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 51 variables; 644 reflections, R = 0.0362; wR = 0.0882
  • Sample Detail(s): friedrichbeckeite sample from Germany, Rhineland-Palatinate, Eifel, Laacher See, Bellberg volcano, electron microprobe analysis, inductive coupled plasma method; K0.87Na0.86(Mg1.57Mn0.28Fe0.24)(Be1.83Mg1.17)Si12O30, single crystal (determination of cell parameters), single crystal, 0.05×0.07×0.08 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: KNaMg2.8Be1.8Mn0.2Fe0.2Si12O30
  • Alphabetic Formula: Be1.8Fe0.2KMg2.8Mn0.2NaO30Si12
  • Published Formula: K(☐0.5Na0.5)2(Mg0.8Mn0.1Fe0.1)2(Be0.6Mg0.4)3[Si12O30]
  • Refined Formula: Be1.82K0.93Mg2.79Mn0.39Na0.77O30Si12
  • Wyckoff Sequence: 192,m3lhfca
  • Z Formula Units: 2
  • Density: ρ = 2.69 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]

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_1223765

  • 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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