Inorganic Solid Phases

2M1 sericite (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): automatic diffractometer (determination of cell parameters), automatic diffractometer; Rigaku RU-200 (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, Rietveld refinement, wRP = 0.0859
  • Sample Detail(s): sericite sample from Japan, Nagasaki Prefecture, Goto mine, chemical analysis; (Ca0.01K0.73Na0.17)(Al1.83Fe0.03Mg0.02)(Si3.10Al0.88Ti0.02)O10[OH]2, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K0.74Na0.17Ca0.01Mg0.02Ti0.02Fe0.03Al2.83Si3.10O10[OH]2
  • Alphabetic Formula: Al2.83Ca0.01Fe0.03K0.74Mg0.02Na0.17O10[OH]2Si3.10Ti0.02
  • Published Formula: 2M1 sericite
  • Refined Formula: Al2.75Ca0.01Fe0.03H2K0.73Mg0.02Na0.17O12Si3.10Ti0.02
  • Wyckoff Sequence: 15,f9e
  • Z Formula Units: 4
  • Density: ρ = 2.80 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_1920379

  • 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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