Powder X-ray characterisation of natrolite, Na2Al2Si3O10.2H2O

Adrian Anthony Finch, JG Fletcher, A Kindness, JMS Skakle

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6 Citations (Scopus)


High-quality powder X-ray diffraction data for a well-characterised natural sample of natrolite (Na2Al2Si3O10.2H2O, space group Fdd2, Z = 8) are presented. Refined cell parameters were a = 18.2984±0.0007 Å, b = 18.6502±0.0008 Å, and c = 6.5589±0.0003 Å. The sample was characterised using thermogravimetric techniques (to determine water content), EPMA and ICP-MS (to determine composition). Available data suggest that the crystal matches the expected stoichiometry of natrolite. Our powder data show close similarity with the proposed structure of natrolite using the Rietveld method, giving R values of 8.54%, and suggest that preferred orientation is not present in the sample.
Original languageEnglish
Pages (from-to)243-247
JournalPowder Diffraction
Issue number4
Publication statusPublished - Dec 1995


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