| Name: | PREISWERKITE | ||
| Specification: | [1] | ||
| Formula: | Na[Mg2Al][Si2Al2]O10(OH)2 | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | C 2/m | ||
| Unit Cell Parameters: | a = 5.2280 | b = 9.0490 | c = 9.8190 | beta = 100.4100 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 456.87 |
| Number of Atomic Position per full Unit Cell: | P/U = 44 | Molar Volume, cm3/mol: | Vm = 137.60 |
| Number of Reflexes used in Structure Determination: | NR = 802 | X-ray density, g/cm3: | p = 2.93 |
| R-factor: | R = 0.1020 | MU, 1/cm: | µ = 88.443 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 30.192 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||