Inorganic Solid Phases

gadolinite (Ca0.28Be1.44YGd0.72Fe0.22[SiO4]2B0.56O0.72[OH]1.28) Crystal Structure

General Information

  • Phase Label(s): Ca0.28Be1.44YGd0.72Fe0.22[SiO4]2B0.56O0.72[OH]1.28
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): gadolinite-(Y)
  • Pearson Symbol: mP*
  • Space Group: 14
  • Phase Prototype: *
  • Measurement Detail(s): automatic diffractometer; 25 (determination of cell parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, orthosilicate, borate
  • Interpretation Detail(s): cell parameters determined
  • Sample Detail(s): gadolinite sample from Italy, Alps, Trentino-Alto Adige, Val Formazza, Glogstafelberg, electron microprobe analysis; 23.4 wt.% SiO2, 21.5 wt.% Y2O3, 7.1 wt.% BeO, 5.9 wt.% Gd2O3, 5.4 wt.% Dy2O3, 4.0 wt.% FeO, 3.8 wt.% Sm2O3, 3.6 wt.% Nd2O3, 3.2 wt.% B2O3, 3.2 wt.% CaO, 2.6 wt.% Er2O3, 2.0 wt.% H2O, 2.0 wt.% Yb2O3, 1.3 wt.% Ce2O3, 0.4 wt.% Pr2O3, etc., single crystal (determination of cell parameters)

Substance Summary

  • Standard Formula: Ca0.28Be1.44YGd0.72Fe0.22[SiO4]2B0.56O0.72[OH]1.28
  • Alphabetic Formula: B0.56Be1.44Ca0.28Fe0.22Gd0.72O0.72[OH]1.28[SiO4]2Y
  • Published Formula: gadolinite
  • Refined Formula:
  • Wyckoff Sequence:
  • Z Formula Units: 2
  • Density: ρ = 4.28 Mg·m−3

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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

Experimental Details

Reference

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1819028

  • 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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