Inorganic Solid Phases

(Mg1.6AlFe0.4)(SiAlO5)(OH)4 (Mg1.6Fe0.4Al2SiO5[OH]4 rt) Crystal Structure

General Information

  • Phase Label(s): Mg1.6Fe0.4Al2SiO5[OH]4 rt
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): amesite 2H1
  • Pearson Symbol: hP28
  • Space Group: 185
  • Phase Prototype: (Mg0.54Al0.33Fe0.13)3(Al0.5Si0.5)2O3(O0.67[OH]0.33)3[OH]3
  • Measurement Detail(s): oscillation and rotation photographs (determination of cell parameters), film (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): positions of non-H atoms determined, trial-and-error
  • Sample Detail(s): amesite sample from (U.S.A. Washington D.C., Smithsonian Institution), sample prepared from amesite, chemical analysis; (Mg1.50Al1.06Fe0.41)[Si1.01Al0.99O5.00][OH]4.00; trace amounts of chlorite, single crystal (determination of cell parameters), powder (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg1.6Fe0.4Al2SiO5[OH]4
  • Alphabetic Formula: Al2Fe0.4Mg1.6O5[OH]4Si
  • Published Formula: (Mg1.6AlFe0.4)(SiAlO5)(OH)4
  • Refined Formula: Al2Fe0.40H4Mg1.60O9Si
  • Wyckoff Sequence: 185,c3b2a
  • Z Formula Units: 2
  • Density: ρ = 2.84 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

Powder Pattern

published defraction line
d [kX]
computed diffraction line for Cu Kα
d [nm]
intensity
I [1]
h [1]
k [1]
l [1]
Radiation
Remark

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1501004

  • 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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