Inorganic Solid Phases

(Al6.40Ta0.36)(BO3)(Si2.11Sb0.97As0.15)O12(O,OH)3 (Ta0.27Al6.43Sb0.75Si2.25[BO3]O14.25) Crystal Structure

General Information

  • Phase Label(s): Ta0.27Al6.43Sb0.75Si2.25[BO3]O14.25
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): holtite
  • Pearson Symbol: oP128
  • Space Group: 62
  • Phase Prototype: (Ta0.39Al0.61)0.7Al6Sb0.75Si2.25[BO3]O14.25
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), X-rays, Co Kα1 (determination of cell parameters)
  • Phase Class(es):
  • Compound Class(es): orthoborate, silicate
  • Interpretation Detail(s): cell parameters determined and structure type assigned
  • Sample Detail(s): holtite sample from Russia, Kola Peninsula, electron microprobe analysis; (Al6.40Ta0.36)[BO3](Si2.11Sb0.97As0.15)O12[O,OH]3, powder (determination of cell parameters)

Substance Summary

  • Standard Formula: Ta0.3Al6.2Sb0.9Si2.1[BO3]O15
  • Alphabetic Formula: Al6.2[BO3]O15Sb0.9Si2.1Ta0.3
  • Published Formula: (Al6.40Ta0.36)(BO3)(Si2.11Sb0.97As0.15)O12(O,OH)3
  • Refined Formula:
  • Wyckoff Sequence:
  • Z Formula Units: 4
  • Density: ρ = 4.02 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.

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1122169

  • 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

    Citation copied