| Name: | CHALCOPHYLLITE | ||
| Specification: | [1] | ||
| Formula: | Cu9Al[AsO4]2[SO4]1.5(OH)12 · 18H2O | ||
| Symmetry Class: | trigonal | ||
| Space Group: | R 3(-) | ||
| Unit Cell Parameters: | a = 10.7560 | c = 28.6780 | ||
| Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å3: | Vc = 2873.30 |
| Number of Atomic Position per full Unit Cell: | P/U = 324 | Molar Volume, cm3/mol: | Vm = 576.90 |
| Number of Reflexes used in Structure Determination: | NR = 978 | X-ray density, g/cm3: | p = 2.85 |
| R-factor: | R = 0.0560 | MU, 1/cm: | µ = 101.940 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 35.742 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||