Inorganic Solid Phases

(Fe0.80Mn0.20)2(Fe0.98Mg0.02)5(Si4O11)2[OH]2; protoferro-anthophyllite (MgMn1.4Fe4.6Si8O22[OH]2) Crystal Structure

General Information

  • Phase Label(s): MgMn1.4Fe4.6Si8O22[OH]2
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): proto-ferro-anthophyllite
  • Pearson Symbol: oP78
  • Space Group: 58
  • Phase Prototype: (Li0.25Mg0.75)2Mg5Si8O22F2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Rigaku (determination of structural parameters), X-rays (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement, R = 0.05
  • Sample Detail(s): protoferro-anthophyllite sample from Japan, Gifu Prefecture, Hirukawa mine, electron microprobe analysis; 47.04 wt.% SiO2, 0.33 wt.% Al2O3, 46.63 wt.% FeO, 2.97 wt.% MnO, 0.57 wt.% MgO, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Mg0.1Mn0.4Fe6.5Si8O22[OH]2
  • Alphabetic Formula: Fe6.5[OH]2Mg0.1Mn0.4O22Si8
  • Published Formula: (Fe0.80Mn0.20)2(Fe0.98Mg0.02)5(Si4O11)2[OH]2; protoferro-anthophyllite
  • Refined Formula: Fe6.50Mg0.10Mn0.40O24Si8
  • Wyckoff Sequence: 58,h7g2f2ea
  • Z Formula Units: 2
  • Density: ρ = 3.59 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_1939677

  • 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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