| Name: | PETARASITE | ||
| Specification: | [1] | ||
| Formula: | Na5Zr2Si6O18(Cl,OH) · 2H2O | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | P 2(1)/m | ||
| Unit Cell Parameters: | a = 10.7956 | b = 14.4928 | c = 6.6229 | beta = 113.2140 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 952.32 |
| Number of Atomic Position per full Unit Cell: | P/U = 72 | Molar Volume, cm3/mol: | Vm = 286.81 |
| Number of Reflexes used in Structure Determination: | NR = 2947 | X-ray density, g/cm3: | p = 3.00 |
| R-factor: | R = 0.0510 | MU, 1/cm: | µ = 166.071 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 55.431 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||