| Name: | PICKERINGITE | ||
| Specification: | [1], structure type - halotrichite | ||
| Formula: | [Mg0.93Mn0.07]Al2[SO4]4 · 22H2O | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | P 2(1)/c | ||
| Unit Cell Parameters: | a = 6.1844 | b = 24.2715 | c = 21.2265 | beta = 100.3260 | ||
| Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 3134.59 |
| Number of Atomic Position per full Unit Cell: | P/U = 180 | Molar Volume, cm3/mol: | Vm = 472.02 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 1.82 |
| R-factor: | R = 0.1100 | MU, 1/cm: | µ = 49.820 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 27.317 |
| Theta-Interval for CPDP: | T/I = 1-30 | ||