Inorganic Solid Phases

(K1.57Na0.78Ca0.27)2.62(H3O)1.1[UO2|SiO4]2·2H2O (H1.1K1.57Na0.78Ca0.27U[SiO4]O2[H2O]3.1) Crystal Structure

General Information

  • Phase Label(s): H1.1K1.57Na0.78Ca0.27U[SiO4]O2[H2O]3.1
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): boltwoodite
  • Pearson Symbol: mP38
  • Space Group: 11
  • Phase Prototype: *
  • Measurement Detail(s): Weissenberg photographs (determination of cell parameters), X-rays (determination of cell parameters)
  • Phase Class(es):
  • Compound Class(es): orthosilicate, oxide, hydrate
  • Interpretation Detail(s): cell parameters determined
  • Sample Detail(s): boltwoodite sample from Namibia, Swakop deposit, chemical analysis; [UO3]67.19[SiO2]13.27[K2O]7.83[Na2O]2.54[CaO]1.59[Fe2O3]0.52[H2O]6.91, single crystal (determination of cell parameters)

Substance Summary

  • Standard Formula: H1.1K1.57Na0.78Ca0.27U[SiO4]O2[H2O]3.1
  • Alphabetic Formula: Ca0.27H1.1[H2O]3.1K1.57Na0.78O2[SiO4]U
  • Published Formula: (K1.57Na0.78Ca0.27)2.62(H3O)1.1[UO2|SiO4]2·2H2O
  • Refined Formula:
  • Wyckoff Sequence:
  • Z Formula Units: 2
  • Density:

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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

Powder Pattern

published defraction line
d [Å]
computed diffraction line for Cu Kα
d [nm]
intensity
I [1]
h [1]
k [1]
l [1]
Radiation
Remark

Experimental Details

Reference

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1405318

  • 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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