The crystal structures of grossular and spessartine between 100 and 600 K and the crystal chemistry of grossular-spessartine solid solutions

@article{Rodehorst2002TheCS,
  title={The crystal structures of grossular and spessartine between 100 and 600 K and the crystal chemistry of grossular-spessartine solid solutions},
  author={Uta Rodehorst and Charles A. Geiger and Thomas E. Armbruster},
  journal={American Mineralogist},
  year={2002},
  volume={87},
  pages={542 - 549}
}
Abstract Spessartine (Mn3Al2Si3O12)-grossular (Ca3Al2Si3O12) solid solutions were synthesized at high pressures and temperatures. Compositionally homogeneous garnets are obtained by crystallizing solidsolution glasses prepared from oxides. The unit-cell parameter, a, for the different solid solutions was determined by X-ray powder diffraction methods and the results give positive deviations from ideal volumes of mixing that can be described with a symmetric mixing model with Wv = 0.80 (±0.04… CONTINUE READING

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