Name: | GALLOBEUDANTITE | ||
Specification: | [1], "distorted" structure type - alunite, DF | ||
Formula: | PbGa3[AsO4SO4](OH)6 | ||
Symmetry Class: | trigonal | ||
Space Group: | R 3m | ||
Unit Cell Parameters: | a = 7.2250 | c = 17.0300 | ||
Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å3: | Vc = 769.88 |
Number of Atomic Position per full Unit Cell: | P/U = 75 | Molar Volume, cm3/mol: | Vm = 154.58 |
Number of Reflexes used in Structure Determination: | NR = 1290 | X-ray density, g/cm3: | p = 4.82 |
R-factor: | R = 0.0780 | MU, 1/cm: | µ = 546.474 |
Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 113.384 |
Theta-Interval for CPDP: | T/I = 1-45 |