| Name: | SIUDAITE | ||
| Specification: | [1], structure type - eudialyte, DF | ||
| Formula: | Na8Mn2+2NaCa6Fe3+3Zr3NbSi25O74(OH)2Cl · 5H2O | ||
| Symmetry Class: | trigonal | ||
| Space Group: | R 3m | ||
| Unit Cell Parameters: | a = 14.1885 | c = 29.8310 | ||
| Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å3: | Vc = 5200.81 |
| Number of Atomic Position per full Unit Cell: | P/U = 444 | Molar Volume, cm3/mol: | Vm = 1044.21 |
| Number of Reflexes used in Structure Determination: | NR = 2436 | X-ray density, g/cm3: | p = 2.92 |
| R-factor: | R = 0.0221 | MU, 1/cm: | µ = 261.474 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 89.511 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||