Inorganic Solid Phases

marialte (4.6 % meiolite) (Na3.78Ca0.22Al3.22Si8.78ClO24) Crystal Structure

General Information

  • Phase Label(s): Na3.78Ca0.22Al3.22Si8.78ClO24
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): marialite
  • Pearson Symbol: tI82
  • Space Group: 87
  • Phase Prototype: K0.2Na3.1Ca0.7(Al0.31Si0.69)12ClO24
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; ADP-2 (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate, chloride
  • Interpretation Detail(s): complete structure determined, Rietveld refinement; 80 variables; 1225 reflections, R = 0.0331; RP = 0.0592; wRP = 0.0720; RB = 0.0340
  • Sample Detail(s): marialite sample from Tajikistan, Pamirs, Kukurt deposit, electron microprobe analysis; 62.53 wt.% SiO2, 18.62 wt.% Al2O3, 0.07 wt.% Fe2O3, 12.69 wt.% Na2O, 1.57 wt.% K2O, 1.15 wt.% CaO, 0.11 wt.% SrO, 4.16 wt.% Cl, 0.12 wt.% SO3, 0.05 wt.% H2O, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Na3.88Ca0.12Al3.12Si8.88ClO24
  • Alphabetic Formula: Al3.12Ca0.12ClNa3.88O24Si8.88
  • Published Formula: marialte (4.6 % meiolite)
  • Refined Formula: Al3.12Ca0.12ClNa3.88O24Si8.88
  • Wyckoff Sequence: 87,i3h4a
  • Z Formula Units: 2
  • Density: ρ = 2.56 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_1013150

  • 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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