Inorganic Solid Phases

Mg3Si4O10(OH)2 (Mg3Si4O10[OH]2 tricl) Crystal Structure

General Information

  • Phase Label(s): Mg3Si4O10[OH]2 tricl
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): talc 1A
  • Pearson Symbol: aP19
  • Space Group: 2
  • Phase Prototype: Mg3Si4O10[OH]2
  • Measurement Detail(s): oscillation and rotation photographs (determination of cell parameters), photographs (determination of structural parameters), X-rays (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement, R = 0.149
  • Sample Detail(s): talc sample from U.S.A. Maryland, Harford County, chemical analysis; 63.22 wt.% SiO2, 30.45 wt.% MgO, 0.89 wt.% FeO, 0.33 wt.% Fe2O3, 0.02 wt.% Na2O, 0.05 wt.% K2O, 0.06 wt.% F, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Mg3Si4O10[OH]2
  • Alphabetic Formula: Mg3O10[OH]2Si4
  • Published Formula: Mg3Si4O10(OH)2
  • Refined Formula: H2Mg3O12Si4
  • Wyckoff Sequence: 2,i9d
  • Z Formula Units: 1
  • Density: ρ = 2.76 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_1214363

  • 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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