| Name: | RINGWOODITE | ||
| Specification: | [5], structure type - spinel, syn | ||
| Formula: | (Mg,Fe)2SiO4 | ||
| Symmetry Class: | cubic | ||
| Space Group: | *F d3m | ||
| Unit Cell Parameters: | a = 8.0603 | ||
| Number of Formula Unit: | Z = 8 | Unit Cell Volume, Å3: | Vc = 523.66 |
| Number of Atomic Position per full Unit Cell: | P/U = 56 | Molar Volume, cm3/mol: | Vm = 39.43 |
| Number of Reflexes used in Structure Determination: | NR = 1839 | X-ray density, g/cm3: | p = 3.68 |
| R-factor: | R = 0.0220 | MU, 1/cm: | µ = 173.387 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 47.119 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||