Inorganic Solid Phases

phengite 2M1 (K0.87Na0.07Ca0.02Mg0.50Ti0.01Fe0.14Al2.04Si3.39O10.08[OH]1.92) Crystal Structure

General Information

  • Phase Label(s): K0.87Na0.07Ca0.02Mg0.50Ti0.01Fe0.14Al2.04Si3.39O10.08[OH]1.92
  • Structure Class(es): mica family
  • Classification by Properties:
  • Mineral Name(s): muscovite 2M1
  • Pearson Symbol: mS76
  • Space Group: 15
  • Phase Prototype: KAl2(Al0.25Si0.75)4O10[OH]2-a
  • Measurement Detail(s): precession and Weissenberg photographs; 67 (determination of cell parameters), automatic diffractometer (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, full-matrix least-squares refinement; 557 reflections; I > 2σ(I), R = 0.045
  • Sample Detail(s): muscovite sample from U.S.A. California, Marin County, Tiburon Peninsula, (K0.87Na0.07Ba0.01Ca0.02)(Si3.39Al0.61)(Al1.43Ti0.01Fe3+0.05Fe2+0.09Mg0.50)O10.08[OH]1.92, single crystal (determination of cell parameters), single crystal, 0.01×0.25×0.40 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K0.87Na0.07Ca0.02Mg0.50Ti0.01Fe0.14Al2.04Si3.39O10.08[OH]1.92
  • Alphabetic Formula: Al2.04Ca0.02Fe0.14K0.87Mg0.50Na0.07O10.08[OH]1.92Si3.39Ti0.01
  • Published Formula: phengite 2M1
  • Refined Formula: Al1.99Ca0.02Fe0.13H1.92K0.88Mg0.48Na0.07O12Si3.39Ti0.01
  • Wyckoff Sequence: 15,f9e
  • Z Formula Units: 4
  • Density: ρ = 2.85 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_1415637

  • 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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