Figure 8
Parameter values for quartz derived from the data of Antao (2016): top over the whole temperature-range, bottom over the temperature range of β-quartz. VUC: unit-cell volume; Vtetrahedron: SiO4-volume; λPC: length-based tetrahedral distortion; aPC, bPC, cPC: pseudocubic parameters; δ1,PC, δ2,PC. |