Inorganic Solid Phases

[Ca,Ln3+,Na]19[Al,Fe3,Mg,Fe2+,Mn,Ti]13+x[Si]18−yO68[O,OH,F]10, x> y (H1.9Ca18.8Mg3.9Ti0.3Fe2.0Al7.0Si18B2.9O77.5F1.2) Crystal Structure

General Information

  • Phase Label(s): H1.9Ca18.8Mg3.9Ti0.3Fe2.0Al7.0Si18B2.9O77.5F1.2
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): wiluite
  • Pearson Symbol: tP318
  • Space Group: 126
  • Phase Prototype: Ca18.8Mg3.9Ti0.3Fe2.0Al7.0[SiO4]10[Si2O7]4B2.9O7.6[OH]1.9F1.2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Nicolet R3m (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters), T = 295 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): borate, silicate, fluoride
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 2089 reflections, R = 0.040; wR = 0.028
  • Sample Detail(s): vesuvianite sample from Russia, Sakha (Yakutia), Vilyui River, electron microprobe analysis; Si17.87Al6.86Ti0.34Mg4.86Mn0.01Fe2+0.51Fe3+0.87Ca18.94Ln0.06B2.42S0.06F0.13OH2.02, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Ca19Mg4.9Ti0.3Fe1.4Al6.9[SiO4]10[Si2O7]4B2.4O6.6[OH]3.3F0.1
  • Alphabetic Formula: Al6.9B2.4Ca19F0.1Fe1.4Mg4.9O6.6[OH]3.3[SiO4]10[Si2O7]4Ti0.3
  • Published Formula: [Ca,Ln3+,Na]19[Al,Fe3,Mg,Fe2+,Mn,Ti]13+x[Si]18−yO68[O,OH,F]10, x> y
  • Refined Formula: Al11.58B2.62Ca19F0.09Fe0.95H1.82Mg0.55O78.15Si18Ti0.34
  • Wyckoff Sequence: 126,k17h2fe5dca
  • Z Formula Units: 2
  • Density: ρ = 3.37 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_1818568

  • 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

    Citation copied