Inorganic Solid Phases

amphibole (K0.1Na0.76Ca1.3Mg4.61Fe0.63Al0.38Si7.59O22F2) Crystal Structure

General Information

  • Phase Label(s): K0.1Na0.76Ca1.3Mg4.61Fe0.63Al0.38Si7.59O22F2
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): edenite/winchite
  • Pearson Symbol: mS80
  • Space Group: 12
  • Phase Prototype: NaCa2Mg2(Mg0.67Sc0.33)3(Al0.25Si0.75)8O22[OH]2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Siemens D5005 (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate, fluoride
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, multiphase; 92 variables, RP = 0.0517; wRP = 0.0686
  • Sample Detail(s): amphibole sample from Italy, Sicily, Etna area, Biancavilla, electron microprobe analysis, Mössbauer spectroscopy; (Si7.495Al0.488)(Ti0.004Fe3+0.477Mg4.350Fe2+0.235Mn0.055)(Ca1.555Na0.324)(Na0.307K0.094)O22F1.981Cl0.014[O,OH]x; amounts of albite (10.0 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K0.1Na0.63Ca1.56Mg4.35Fe0.73Al0.5Si7.5O22F2
  • Alphabetic Formula: Al0.5Ca1.56F2Fe0.73K0.1Mg4.35Na0.63O22Si7.5
  • Published Formula: amphibole
  • Refined Formula: Al0.48Ca1.56F2Fe0.72K0.09Mg4.35Mn0.05Na0.63O22Si7.52
  • Wyckoff Sequence: 12,j7i3h2gba
  • Z Formula Units: 2
  • Density: ρ = 3.10 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]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1223697

  • 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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