Inorganic Solid Phases

(Si4.5Al3.5)(Mg0.7Fe2+9.5Fe3+0.1Al1.6)[(OH)13.9O0.2]O20.0 (Mg0.7Fe4.45Al2.45Si2.4O10[OH]8) Crystal Structure

General Information

  • Phase Label(s): Mg0.7Fe4.45Al2.45Si2.4O10[OH]8
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): chamosite 1M
  • Pearson Symbol: mS56
  • Space Group: 12
  • Phase Prototype: (Mg0.12Fe0.66Al0.22)6(Al0.22Si0.78)4O10[OH]9
  • Measurement Detail(s): film (determination of cell parameters), X-rays, Fe Kα (determination of cell parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): cell parameters determined and structure type assigned
  • Sample Detail(s): bavalite sample from France, Brittany, Brieuc, sample prepared from bavalite, chemical analysis; (Si4.5Al3.5)(Mg0.7Fe2+9.5Fe3+0.1Al1.6)([OH]13.9O0.2)O20.0; 21.71 wt.% SiO2, 21.35 wt.% Al2O3, 0.82 wt.% Fe2O3, 43.01 wt.% FeO, 2.33 wt.% MgO, 10.10 wt.% H2O+105, powder (determination of cell parameters)

Substance Summary

  • Standard Formula: Mg0.35Fe4.8Al2.55Si2.25O10[OH]7
  • Alphabetic Formula: Al2.55Fe4.8Mg0.35O10[OH]7Si2.25
  • Published Formula: (Si4.5Al3.5)(Mg0.7Fe2+9.5Fe3+0.1Al1.6)[(OH)13.9O0.2]O20.0
  • Refined Formula:
  • Wyckoff Sequence:
  • Z Formula Units: 2
  • Density: ρ = 3.23 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.

Powder Pattern

published defraction line
d [Å]
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_1714047

  • 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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