Improved powder X-ray diffraction �XRD� data for franzinite, the ten-layer member of the cancrinite group of minerals, were obtained using an automated parallel-beam powder diffractometer with a capillary mount. The cell parameters of franzinite were found to be a �12.8976(3) Å, c�26.5040(8) Å, V�3818.2(2) Å3 in space group P321, while the strongest reflections were at 3.725�100�, 3.809�65�, 3.562�56�, 3.586�55�, 2.662�42�, 2.150�31� and 3.302�30� Å. The new results include an increased number of indexed peaks, improved figures-of-merit with respect to PDF 30-1170 and intensities validated by Rietveld refinement.
Improved powder X-ray data for cancrinites IV: Franzinite / Ballirano, Paolo; Maras, Adriana. - In: POWDER DIFFRACTION. - ISSN 0885-7156. - STAMPA. - 16:4(2001), pp. 216-219. [10.1154/1.1401198]
Improved powder X-ray data for cancrinites IV: Franzinite
BALLIRANO, Paolo;MARAS, Adriana
2001
Abstract
Improved powder X-ray diffraction �XRD� data for franzinite, the ten-layer member of the cancrinite group of minerals, were obtained using an automated parallel-beam powder diffractometer with a capillary mount. The cell parameters of franzinite were found to be a �12.8976(3) Å, c�26.5040(8) Å, V�3818.2(2) Å3 in space group P321, while the strongest reflections were at 3.725�100�, 3.809�65�, 3.562�56�, 3.586�55�, 2.662�42�, 2.150�31� and 3.302�30� Å. The new results include an increased number of indexed peaks, improved figures-of-merit with respect to PDF 30-1170 and intensities validated by Rietveld refinement.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
