| Name: | PERTLIKITE | ||
| Specification: | [1], DF | ||
| Formula: | K2(Fe++,Mg)2(Mg,Fe+++)4Fe+++2Al[SO4]12 · 18H2O | ||
| Symmetry Class: | tetragonal | ||
| Space Group: | *I 4(1)/acd | ||
| Unit Cell Parameters: | a = 19.2080 | c = 27.2158 | ||
| Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 10041.19 |
| Number of Atomic Position per full Unit Cell: | P/U = 1096 | Molar Volume, cm3/mol: | Vm = 1512.05 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 2.54 |
| R-factor: | - | MU, 1/cm: | µ = 143.551 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 56.470 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||