| Name: | JOHANNSENITE | ||
| Specification: | [1], structure type - diopside | ||
| Formula: | CaMnSi2O6 | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | C 2/c | ||
| Unit Cell Parameters: | a = 9.9780 | b = 9.1560 | c = 5.2930 | beta = 105.4800 | ||
| Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 466.02 |
| Number of Atomic Position per full Unit Cell: | P/U = 40 | Molar Volume, cm3/mol: | Vm = 70.18 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 3.52 |
| R-factor: | R = 0.0660 | MU, 1/cm: | µ = 379.836 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 107.848 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||