Inorganic Solid Phases

sanidine, (Si2.83Al1.17)(Al0.01Fe2+0.01Sr0.06K0.62Na0.13Ba0.10Ca0.010.06)O8 (K0.7Na0.2Ba0.03Sr0.05Ca0.02Fe0.01Al1.12Si2.88O8) Crystal Structure

General Information

  • Phase Label(s): K0.7Na0.2Ba0.03Sr0.05Ca0.02Fe0.01Al1.12Si2.88O8
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): sanidine
  • Pearson Symbol: mS52
  • Space Group: 12
  • Phase Prototype: K(Al0.25Si0.75)4O8
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS X8 KAPPA APEX II (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; 67 variables; 2858 reflections, R = 0.0379; wR = 0.0755
  • Sample Detail(s): sanidine sample from Italy, Apennines, Basilicata, La Cupa, Monte Vulture, electron microprobe analysis; (Si2.83Al1.17)(Al0.01Fe2+0.01Sr0.06K0.62Na0.13Ba0.10Ca0.010.06)O8, single crystal (determination of cell parameters), single crystal, 0.20×0.44×0.78 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K0.62Na0.13Ba0.1Sr0.06Ca0.01Fe0.01Al1.19Si2.83O8
  • Alphabetic Formula: Al1.19Ba0.1Ca0.01Fe0.01K0.62Na0.13O8Si2.83Sr0.06
  • Published Formula: sanidine, (Si2.83Al1.17)(Al0.01Fe2+0.01Sr0.06K0.62Na0.13Ba0.10Ca0.010.06)O8
  • Refined Formula: KO8Si3.79
  • Wyckoff Sequence: 12,j5i2g
  • Z Formula Units: 4
  • Density: ρ = 2.67 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]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1226100

  • 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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