Improved powder X-ray data for cancrinites I: Afghanite

Paolo Ballirano, Adriana Maras, P R Buseck, Su Wang, Ann M. Yates

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

Afghanite is a feldspathoid of the cancrinite-group: It is hexagonal, space group P63mc. The afghanite sample was found in the M. Somma-Vesuvio volcanic complex (Italy) and was previously described as davyne: Calculated cell parameters are a = 12.7997(4) Å, c = 21.4062(11) Å; the volume is 3037.2(2) Å3. The strongest lines are: 3.694(100), 3.647(56), 4.826(30), 2.678(25), 2.134(18), 3.999(12), 2.750(12), and 2.771(10). The new data provide quantitative measurement of intensities, an increased number of indexed peaks, and a different empirical formula with respect to the PDF 20-1086.

Original languageEnglish (US)
Pages (from-to)68-73
Number of pages6
JournalPowder Diffraction
Volume9
Issue number1
DOIs
StatePublished - 1994

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Instrumentation
  • Radiation

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