Inorganic Solid Phases

Al2Be2.50Li0.50Si6O18Na0.35Cs0.15(H2O)0.9 (Cs0.1Na0.2Li0.3Be2.7Al2Si6O18[H2O]0.5) Crystal Structure

General Information

  • Phase Label(s): Cs0.1Na0.2Li0.3Be2.7Al2Si6O18[H2O]0.5
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): beryl
  • Pearson Symbol: hP62
  • Space Group: 192
  • Phase Prototype: (Cs0.15[H2O]0.7)Na0.35(Li0.1Be0.9)3Si6Al2O18
  • Measurement Detail(s): photographs; KFOR-4 (determination of structural parameters), X-rays, Mo K (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 150 reflections, R = 0.112
  • Sample Detail(s): beryl sample from Madagascar (Malagasy Republic), Margarita field, chemical analysis; 61.28 wt.% SiO2, 17.15 wt.% Al2O3, 10.47 wt.% BeO, 4.09 wt.% Cs2O, 2.72 wt.% H2O, 1.86 wt.% Na2O, 1.33 wt.% Li2O, 0.65 wt.% K2O, 0.17 wt.% Rb2O, 0.12 wt.% Fe2O3, 0.10 wt.% CaO, 0.03 wt.% MnO, single crystal, 0.3 mm diameter (determination of structural parameters)

Substance Summary

  • Standard Formula: Cs0.15Na0.35Li0.50Be2.50Al2Si6O18[H2O]0.9
  • Alphabetic Formula: Al2Be2.50Cs0.15[H2O]0.9Li0.50Na0.35O18Si6
  • Published Formula: Al2Be2.50Li0.50Si6O18Na0.35Cs0.15(H2O)0.9
  • Refined Formula: Al2Be2.50Li0.50O18Si6
  • Wyckoff Sequence: 192,ml2fc
  • Z Formula Units: 2
  • Density: ρ = 2.83 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_1812516

  • 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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