Inorganic Solid Phases

(K_0.98Na_0.02)(Al_1.55Mg_0.24Fe_0.21Ti_0.02)(Si_3.38Al_0.62)O₁₀(OH)₂ (K_0.9Na_0.1Mg_0.2Ti_0.03Fe_0.2Al_2.4Si_3.2O₁₀[OH]₂ mon, p = 9.95(9) GPa) Crystal Structure

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General Information

Phase Label(s): K_0.9Na_0.1Mg_0.2Ti_0.03Fe_0.2Al_2.4Si_3.2O₁₀[OH]₂ mon
Structure Class(es): mica family
Classification by Properties: –
Mineral Name(s): muscovite 2M₁
Pearson Symbol: mS76
Space Group: 15
Phase Prototype: KAl₂(Al_0.25Si_0.75)₄O₁₀[OH]₂-a
Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; KM-4 (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters), T = 293 K (determination of cell and structural parameters), p = 9.95(9) GPa (determination of cell and structural parameters)
Phase Class(es): –
Compound Class(es): hydroxide, silicate
Interpretation Detail(s): positions of non-H atoms determined; pressure dependence studied, least-squares refinement; 33 variables; 164 reflections; F > 4σ(F), R = 0.1312
Sample Detail(s): phengite sample from Italy, Alps, Piedmont, Sesia-Lanzo area, Cima Pal, electron microprobe analysis; (K_0.98Na_0.02)(Al_1.55Mg_0.24Fe_0.21Ti_0.02)(Si_3.38Al_0.62)O₁₀[OH]₂, single crystal (determination of cell parameters), single crystal, 0.030×0.150×0.180 mm³ (determination of structural parameters)

Substance Summary

Standard Formula: K_0.98Na_0.02Mg_0.24Ti_0.02Fe_0.21Al_2.18Si_3.37O₁₀[OH]₂
Alphabetic Formula: Al_2.18Fe_0.21K_0.98Mg_0.24Na_0.02O₁₀[OH]₂Si_3.37Ti_0.02
Published Formula: (K_0.98Na_0.02)(Al_1.55Mg_0.24Fe_0.21Ti_0.02)(Si_3.38Al_0.62)O₁₀(OH)₂
Refined Formula: Al_1.17Fe_0.83H₂K_0.97O₁₂Si_3.84
Wyckoff Sequence: 15,f⁹e
Z Formula Units: 4
Density: ρ = 3.23 Mg·m⁻³

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Crystallographic Data

Cell Parameters

	Published Data	Standardized Data
	Published Data	Unit Cell	Niggli-Reduced Cell
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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.
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Published

Site	Element	Wyckoff Symbol	Symmetry	X	Y	Z	Occupation
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Displacement Parameters

Isotropic

Site	Published U [nm²]	Type	Computed B_eq [nm²]
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Experimental Details

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Reference

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3D Interactive Structure

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About this content

Database name

PAULING FILE Multinaries Edition – 2012

Dataset ID

sd_1225000

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.

Project Coordinator: Shuichi Iwata

Section-Editor: Karin Cenzual (Crystal Structures)

Cite this content

Pierre Villars (Chief Editor), PAULING FILE in: Inorganic Solid Phases, SpringerMaterials (online database), Springer, Heidelberg (ed.) SpringerMaterials (K0.98Na0.02)(Al1.55Mg0.24Fe0.21Ti0.02)(Si3.38Al0.62)O10(OH)2 (K0.9Na0.1Mg0.2Ti0.03Fe0.2Al2.4Si3.2O10[OH]2 mon, p = 9.95(9) GPa) Crystal Structure sd_1225000 (Springer-Verlag GmbH, Heidelberg, © 2016)

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