Inorganic Solid Phases

(Na0.39K0.40)(Ca0.92Na0.08)2(Mg0.586Fe0.256Al0.063Ti0.088Mn0.002)5(Si0.730Al0.260)8O22(O1−x(OH)x)2 (K0.5Na0.5Ca2Mg3Ti0.5FeAl2.5Si6O23[OH]) Crystal Structure

General Information

  • Phase Label(s): K0.5Na0.5Ca2Mg3Ti0.5FeAl2.5Si6O23[OH]
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): kaersutite
  • Pearson Symbol: mS82
  • Space Group: 12
  • Phase Prototype: NaCa2Mg3(Mg0.5Al0.5)2(Al0.25Si0.75)8O22F2
  • Measurement Detail(s): automatic diffractometer (determination of cell and structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement
  • Sample Detail(s): parisite sample from U.S.A. Arizona, Hoover Dam, electron microprobe analysis, single crystal (determination of cell parameters), single crystal, 0.17×0.17×0.23 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K0.4Na0.5Ca1.8Mg2.9Ti0.4Fe1.3Al2.5Si5.8O22.5[OH]1.5
  • Alphabetic Formula: Al2.5Ca1.8Fe1.3K0.4Mg2.9Na0.5O22.5[OH]1.5Si5.8Ti0.4
  • Published Formula: (Na0.39K0.40)(Ca0.92Na0.08)2(Mg0.586Fe0.256Al0.063Ti0.088Mn0.002)5(Si0.730Al0.260)8O22(O1−x(OH)x)2
  • Refined Formula: Al2.50Ca1.84Fe1.30H1.11K0.40Mg2.92Na0.55O24Si5.84Ti0.44
  • Wyckoff Sequence: 12,j7i3h2ga
  • Z Formula Units: 2
  • Density: ρ = 3.18 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]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1816020

  • 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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