| Name: | HEIMAEYITE | ||
| Specification: | [1], structure type - heimaeyite | ||
| Formula: | Na3Al[SO4]3 | ||
| Symmetry Class: | trigonal | ||
| Space Group: | R 3(-) | ||
| Unit Cell Parameters: | a = 13.4326 | c = 8.9818 | ||
| Number of Formula Unit: | Z = 6 | Unit Cell Volume, Å3: | Vc = 1403.51 |
| Number of Atomic Position per full Unit Cell: | P/U = 114 | Molar Volume, cm3/mol: | Vm = 140.90 |
| Number of Reflexes used in Structure Determination: | NR = 550 | X-ray density, g/cm3: | p = 2.74 |
| R-factor: | R = 0.0442 | MU, 1/cm: | µ = 108.808 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 39.697 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||