Inorganic Solid Phases

(Mg,Fe)7Si8O22(OH)2 (Na0.06Mg6.3Fe0.63Al0.14Si7.86O22[OH]2) Crystal Structure

General Information

  • Phase Label(s): Na0.06Mg6.3Fe0.63Al0.14Si7.86O22[OH]2
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): proto-ferro-anthophyllite
  • Pearson Symbol: oP80
  • Space Group: 58
  • Phase Prototype: (Na0.01Mg0.90Fe0.09)7(Al0.02Si0.98)8O22[OH]2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS SMART APEX (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 293 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement on F2; 111 variables; 961 reflections; I > 2σ(I), R = 0.0471; wR = 0.1013
  • Sample Detail(s): protoanthophyllite sample from Japan, Okayama Prefecture, Takase mine, electron microprobe analysis; (Mg6.31Fe0.61Na0.06Mn0.01Ni0.01)7.00(Si7.90Al0.14)8.04O22[OH]2, single crystal (determination of cell parameters), single crystal, 0.04×0.07×0.07 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na0.06Mg6.3Fe0.63Al0.14Si7.86O22[OH]2
  • Alphabetic Formula: Al0.14Fe0.63Mg6.3Na0.06O22[OH]2Si7.86
  • Published Formula: (Mg,Fe)7Si8O22(OH)2
  • Refined Formula: Al0.05Fe0.62H2Mg6.38Na0.05O24Si7.95
  • Wyckoff Sequence: 58,h7g2f2eba
  • Z Formula Units: 2
  • Density: ρ = 2.98 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]

Anisotropic

Site
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [nm2]

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_1820827

  • 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

    Citation copied