| Name: | FREIBERGITE | ||
| Specification: | [3], structure type - tennantite-tetrahedrite, Ag | ||
| Formula: | Cu7.25Fe0.84Zn1.26Ag2.81Sb3.88As0.12S12.88 | ||
| Symmetry Class: | cubic | ||
| Space Group: | I 4(-)3m | ||
| Unit Cell Parameters: | a = 10.5290 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 1167.24 |
| Number of Atomic Position per full Unit Cell: | P/U = 58 | Molar Volume, cm3/mol: | Vm = 351.54 |
| Number of Reflexes used in Structure Determination: | NR = 1237 | X-ray density, g/cm3: | p = 5.10 |
| R-factor: | R = 0.0470 | MU, 1/cm: | µ = 783.790 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 153.691 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||