| Name: | DIOPTASE | ||
| Specification: | [4], structure type - dioptase | ||
| Formula: | Cu6Si6O18 · 6H2O | ||
| Symmetry Class: | trigonal | ||
| Space Group: | R 3(-) | ||
| Unit Cell Parameters: | a = 14.5690 | c = 7.7790 | ||
| Number of Formula Unit: | Z = 18 | Unit Cell Volume, Å3: | Vc = 1429.93 |
| Number of Atomic Position per full Unit Cell: | P/U = 144 | Molar Volume, cm3/mol: | Vm = 47.85 |
| Number of Reflexes used in Structure Determination: | NR = 539 | X-ray density, g/cm3: | p = 3.29 |
| R-factor: | R = 0.0520 | MU, 1/cm: | µ = 121.206 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 36.794 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||