Inorganic Solid Phases

Mg2.0Al0.6(Fe,Ca,K)0.1(Si1.4Al0.6)O4.6(OH)4.4, (Mg2.07Al0.72Fe0.07Ca0.01K0.06)(Si1.47Al0.53)O5(OH)4 (Mg2.4Al1.2Si1.4O5[OH]4) Crystal Structure

General Information

  • Phase Label(s): Mg2.4Al1.2Si1.4O5[OH]4
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): amesite 9L ?
  • Pearson Symbol: hP126
  • Space Group: 144
  • Phase Prototype: (Mg0.8Al0.2)3(Al0.3Si0.7)2O5[OH]4
  • Measurement Detail(s): diffractometer (determination of cell parameters), automatic diffractometer (determination of structural parameters), X-rays (determination of cell parameters), X-rays, Mo Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 144 reflections, R = 0.102
  • Sample Detail(s): serpentine sample from U.S.A. Minnesota, Lake Superior, North Shore beaches, electron microprobe analysis; 31.1 wt.% SiO2, 29.3 wt.% MgO, 22.2 wt.% Al2O3, 1.9 wt.% FeO, 1.0 wt.% K2O, 0.3 wt.% CaO, powder (determination of cell parameters), single crystal, 0.08×0.18×0.23 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg2.4Al1.2Si1.4O5[OH]4
  • Alphabetic Formula: Al1.2Mg2.4O5[OH]4Si1.4
  • Published Formula: Mg2.0Al0.6(Fe,Ca,K)0.1(Si1.4Al0.6)O4.6(OH)4.4, (Mg2.07Al0.72Fe0.07Ca0.01K0.06)(Si1.47Al0.53)O5(OH)4
  • Refined Formula: Al1.17H4Mg2.40O9Si1.43
  • Wyckoff Sequence: 144,a42
  • Z Formula Units: 9
  • Density: ρ = 2.67 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_1615484

  • 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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