Inorganic Solid Phases

(Fe,Al,Mg)4[Be6Si12O36]·(H2O)2(Na,☐)2 (Na0.4Mg0.4Be3Fe0.3Al1.3Si6O18[H2O]0.95) Crystal Structure

General Information

  • Phase Label(s): Na0.4Mg0.4Be3Fe0.3Al1.3Si6O18[H2O]0.95
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): stoppaniite
  • Pearson Symbol: hP62
  • Space Group: 192
  • Phase Prototype: (Cs0.15[H2O]0.7)Na0.35(Li0.1Be0.9)3Si6Al2O18
  • Measurement Detail(s): automatic diffractometer; 30 (determination of cell parameters), automatic diffractometer; Siemens (determination of structural parameters), X-rays, Mo Kα; λ = 0.071069 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement; 36 variables; 314 reflections; F > 4σ(F), R = 0.041
  • Sample Detail(s): stoppaniite sample from Italy, Latium, Vico volcanic complex, sample prepared from stoppaniite, electron microprobe analysis; (Fe2.30Mg0.67Al0.77Be0.16Mn0.05Ti0.03Sc0.02)[Be6(Si11.55Be0.45)O32.91[OH]3.09][H2O]2(Na0.93K0.01Cs0.02), single crystal (determination of cell parameters), single crystal, 0.2×0.3×0.3 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na0.5Mg0.36Be3.22Fe1.24Al0.41Si5.77O16.45[OH]1.55[H2O]
  • Alphabetic Formula: Al0.41Be3.22Fe1.24[H2O]Mg0.36Na0.5O16.45[OH]1.55Si5.77
  • Published Formula: (Fe,Al,Mg)4[Be6Si12O36]·(H2O)2(Na,☐)2
  • Refined Formula: Al0.42Be3.24Fe1.22H3.56Mg0.36Na0.50O19Si5.76
  • Wyckoff Sequence: 192,ml2fcba
  • 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
U [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1601648

  • 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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