Inorganic Solid Phases

manganese-rich eudialyte; (Na,☐,Sr)15(Ca,Mn)6Mn3(Si,Nb)2Zr3[Si24O72](OH,Cl,H2O)5.5 (Na12SrCa4.5Zr3NbMn4.5Si25Cl0.7O72[OH]4.3[H2O]0.5) Crystal Structure

General Information

  • Phase Label(s): Na12SrCa4.5Zr3NbMn4.5Si25Cl0.7O72[OH]4.3[H2O]0.5
  • Structure Class(es): eudialyte family
  • Classification by Properties:
  • Mineral Name(s): eudialyte
  • Pearson Symbol: hR495
  • Space Group: 160
  • Phase Prototype: Na12SrCa4.5Zr3NbMn4.5Si25Cl0.7O72[OH]4.3[H2O]0.5
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Oxford Diffraction Xcalibur (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, chloride, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement on F; 2008 reflections; F > 3σ(F), R = 0.047
  • Sample Detail(s): eudialyte sample from India, Suchina hill, electron microprobe analysis; Na9.54−12.18K0.16−0.31Sr0.06−1.02Y0.08−0.21REE0.06−0.80Ca4.16−4.92Mn4.00−4.48Fe0−0.20Zr2.84−3.25Hf0−0.04Nb0.39−0.98Ti0−0.15Si0.66−1.15Al0.08−0.28[Si24O73](O,OH,H2O)3(Cl0.61−0.8(OH)1.2−1.39), single crystal (determination of cell parameters), single crystal, 0.25×0.25×0.30 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na12SrCa4.5Zr3NbMn4.5Si25Cl0.7O72[OH]4.3[H2O]0.5
  • Alphabetic Formula: Ca4.5Cl0.7[H2O]0.5Mn4.5Na12NbO72[OH]4.3Si25SrZr3
  • Published Formula: manganese-rich eudialyte; (Na,☐,Sr)15(Ca,Mn)6Mn3(Si,Nb)2Zr3[Si24O72](OH,Cl,H2O)5.5
  • Refined Formula: Al0.19Ca4.50Cl0.67H5.17K0.20La0.53Mn4.20Na11.24Nb0.49O76.67Si24.93Sr0.96Ti0.17Y0.21Zr3.26
  • Wyckoff Sequence: 160,c9b33a12
  • Z Formula Units: 3
  • Density: ρ = 2.92 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_1942307

  • 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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