Inorganic Solid Phases

actinolite (Na0.2Ca1.7Mg2Mn0.3Fe2.8Al0.3Si7.8O22.05[OH]1.9F0.05) Crystal Structure

General Information

  • Phase Label(s): Na0.2Ca1.7Mg2Mn0.3Fe2.8Al0.3Si7.8O22.05[OH]1.9F0.05
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): actinolite
  • Pearson Symbol: mS82
  • Space Group: 12
  • Phase Prototype: NaCa2Mg3(Mg0.5Al0.5)2(Al0.25Si0.75)8O22F2
  • Measurement Detail(s): Weissenberg photographs; 84 (determination of cell parameters), automatic diffractometer (determination of structural parameters), X-rays (determination of cell parameters), X-rays, Mo Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, fluoride
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 645 reflections, R = 0.04
  • Sample Detail(s): actinolite sample from U.S.A. Rhode Island, Cumberland, sample prepared from actinolite, electron microprobe analysis; (Ca0.875Na0.04Mn0.08)2(Fe+20.506Fe+30.06Mg0.375Mn0.044Al0.014Ti0.002Cr0.002)5(Si0.955Al0.045)8O22F0.03OH1.97; 50.6 wt.% SiO2, 0.1 wt.% TiO2, 2.4 wt.% Al2O3, 22.4 wt.% FeO, 2.7 wt.% MnO, 8.3 wt.% MgO, 10.8 wt.% CaO, 0.5 wt.% Na2O, 0.14 wt.%, single crystal (determination of cell parameters), single crystal, 0.1×0.13×0.2 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na0.08Ca1.75Mg1.875Mn0.38Fe2.83Al0.43Si7.64O22[OH]1.97F0.03
  • Alphabetic Formula: Al0.43Ca1.75F0.03Fe2.83Mg1.875Mn0.38Na0.08O22[OH]1.97Si7.64
  • Published Formula: actinolite
  • Refined Formula: Al0.40Ca1.76F0.03Fe3.04H1.97Mg1.88Mn0.16Na0.08O23.97Si7.68
  • Wyckoff Sequence: 12,j7i2h2ga
  • Z Formula Units: 2
  • Density: ρ = 3.27 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_1415633

  • 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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