| Name: | RINGWOODITE | ||
| Specification: | [3], gamma, structure type - spinel, hydrous | ||
| Formula: | (Mg,Si)2(Si,Mg)H0.30O4 | ||
| Symmetry Class: | cubic | ||
| Space Group: | *F d3m | ||
| Unit Cell Parameters: | a = 8.0693 | ||
| Number of Formula Unit: | Z = 8 | Unit Cell Volume, Å3: | Vc = 525.42 |
| Number of Atomic Position per full Unit Cell: | P/U = 56 | Molar Volume, cm3/mol: | Vm = 39.56 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 4.15 |
| R-factor: | - | MU, 1/cm: | µ = 146.443 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 35.299 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||