| Material name | Uvarovite | |||||
| Composition | Ca3Cr2(SiO4)3 | |||||
| Chemical formula weight | 500.48 | |||||
| System | Cubic | |||||
| Temperature (ºC) | r.t. | |||||
| a (Å), b (Å), c (Å) | 11.997(1) | 11.997(1) | 11.997(1) | |||
| α (deg), β (deg), γ (deg) | 90 | 90 | 90 | |||
| Unit cell volume (Å3) | 1727 | |||||
| Calculated density (g/㎝3) | 3.85 | |||||
| Z | 8 | |||||
| Space group | Ia3d (No.230) | |||||
| atom | site | g | x/a | y/b | z/c | B (Å2) |
| Ca | 24c | 1 | 1/8 | 0 | 1/4 | 0.44 |
| Cr | 16a | 1 | 0 | 0 | 0 | 0.27 |
| Si | 24d | 1 | 3/8 | 0 | 1/4 | 0.25 |
| O | 96h | 1 | 0.03917(5) | 0.04770(5) | 0.65433(5) | 0.41 |
| Comment | B values were calculated on the basis of Ueq values in the reference. | |||||
Reference: M. Andrut and M. Wildner, Physics and Chemistry of Minerals, 29, 595 (2002).