Inorganic Solid Phases

K0.69Na0.1(H3O)+0.28(Al1.47Fe2+0.06Fe3+0.19Mg0.28)(Si3.40Al0.60)O10(OH)2 (KMg0.28Fe0.25Al2.07Si3.4O10[OH]2) Crystal Structure

General Information

  • Phase Label(s): KMg0.28Fe0.25Al2.07Si3.4O10[OH]2
  • Structure Class(es): mica family
  • Classification by Properties:
  • Mineral Name(s): muscovite 1M
  • Pearson Symbol: mS38
  • Space Group: 12
  • Phase Prototype: K0.5Al2(Al0.125Si0.875)4O10[OH]2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS D8 ADVANCE (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, multiphase, RP = 0.1048; wRP = 0.1317; RB = 0.0639
  • Sample Detail(s): illite sample from U.S.A. Montana, Jefferson Canyon, Silver Hill, energy-dispersive X-ray analysis; 55.1 wt.% SiO2, 22 wt.% Al2O3, 5.28 wt.% Fe2O3, 1.34 wt.% FeO, 2.8 wt.% MgO, 0.63 wt.% TiO2, 8.04 wt.% K2O, 0.02 wt.% CaO, 0.08 wt.% Na2O, 1.0 wt.% H2O, 6.4 wt.% H2O+; amounts of illite-2M1 (46.12 wt.%) and SiO2 (17.1 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: KMg0.28Fe0.25Al2.07Si3.4O10[OH]2
  • Alphabetic Formula: Al2.07Fe0.25KMg0.28O10[OH]2Si3.4
  • Published Formula: K0.69Na0.1(H3O)+0.28(Al1.47Fe2+0.06Fe3+0.19Mg0.28)(Si3.40Al0.60)O10(OH)2
  • Refined Formula: Al2.08Fe0.20H2KMg0.32O12Si3.40
  • Wyckoff Sequence: 12,j3i2ha
  • Z Formula Units: 2
  • Density: ρ = 2.87 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1931638

  • 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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