Inorganic Solid Phases

(Mg1.90Al0.94Fe0.02Ca0.01)(Si7.27Al0.73)[O17.85(OH)2.13(H2O)4.02]·4.09H2O (MgAlSi4O10[OH][H2O]4 orth) Crystal Structure

General Information

  • Phase Label(s): MgAlSi4O10[OH][H2O]4 orth
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): palygorskite O
  • Pearson Symbol: oP84
  • Space Group: 53
  • Phase Prototype: MgAlSi4O10[OH][H2O]4
  • Measurement Detail(s): automatic diffractometer; Philips (determination of structural parameters), X-rays, Cu Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, Rietveld refinement, multiphase, RP = 0.103; wRP = 0.130
  • Sample Detail(s): palygorskite sample from Italy, Vicenza, Bolca, sample prepared from palygorskite, amounts of monoclinic form (40.1 wt.%), powder (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg0.95Al0.84Si3.64O9[OH][H2O]4
  • Alphabetic Formula: Al0.84[H2O]4Mg0.95O9[OH]Si3.64
  • Published Formula: (Mg1.90Al0.94Fe0.02Ca0.01)(Si7.27Al0.73)[O17.85(OH)2.13(H2O)4.02]·4.09H2O
  • Refined Formula: Al0.18H11.12Mg1.37O16.54Si4
  • Wyckoff Sequence: 53,i9h3gf2e2
  • Z Formula Units: 4
  • Density: ρ = 2.12 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_1716117

  • 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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