| Name: | IKRANITE | ||
| Specification: | [1], structure type - eudialyte, DF | ||
| Formula: | [Na,H3O]15(Ca,Mn,REE)6Fe3+2Zr3.4Si24.3O66(O,OH)6Cl · 2H2O | ||
| Symmetry Class: | trigonal | ||
| Space Group: | R 3m | ||
| Unit Cell Parameters: | a = 14.1670 | c = 30.0810 | ||
| Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å3: | Vc = 5228.52 |
| Number of Atomic Position per full Unit Cell: | P/U = 486 | Molar Volume, cm3/mol: | Vm = 1049.78 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 2.90 |
| R-factor: | - | MU, 1/cm: | µ = 261.883 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 90.339 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||