Inorganic Solid Phases

K2Al6H4O24Si6 (KAl3Si3O10[OH]2 tricl) Crystal Structure

General Information

  • Phase Label(s): KAl3Si3O10[OH]2 tricl
  • Structure Class(es): mica family
  • Classification by Properties:
  • Mineral Name(s): muscovite 2A
  • Pearson Symbol: aP76
  • Space Group: 1
  • Phase Prototype: KAl3Si3O10[OH]2
  • Measurement Detail(s): automatic diffractometer (determination of cell and structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): complete structure determined, least-squares refinement
  • Sample Detail(s): muscovite sample from Czech Republic, Otov area, Fucna hill, energy-dispersive X-ray analysis; K0.85Na0.09(Mg0.05Fe3+0.15Al1.85)(Si2.97Al1.03)O10[OH]2 or K0.86Na0.09(Mg0.05Fe2+0.15Al1.89)(Si2.99Al1.01)O10[OH]2, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: KAl3Si3O10[OH]2
  • Alphabetic Formula: Al3KO10[OH]2Si3
  • Published Formula: K2Al6H4O24Si6
  • Refined Formula: Al3H2KO12Si3
  • Wyckoff Sequence: 1,a76
  • Z Formula Units: 4
  • Density: ρ = 2.83 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_1226032

  • 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)

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