| Name: | VELIKITE | ||
| Specification: | [1], structure type - stannite | ||
| Formula: | Cu3.75Hg1.75S8Sn2 | ||
| Symmetry Class: | tetragonal | ||
| Space Group: | I 4(-)2m | ||
| Unit Cell Parameters: | a = 5.5420 | c = 10.9080 | ||
| Number of Formula Unit: | Z = 1 | Unit Cell Volume, Å3: | Vc = 335.03 |
| Number of Atomic Position per full Unit Cell: | P/U = 16 | Molar Volume, cm3/mol: | Vm = 201.80 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 5.36 |
| R-factor: | - | MU, 1/cm: | µ = 851.518 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 158.940 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||