| Name: | CHESTERITE | ||
| Specification: | [1] | ||
| Formula: | (Mg,Fe)17Si20O54(OH)6 | ||
| Symmetry Class: | orthorhombic | ||
| Space Group: | A 2(1)ma | ||
| Unit Cell Parameters: | a = 18.6140 | b = 45.3060 | c = 5.2970 | ||
| Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 4467.10 |
| Number of Atomic Position per full Unit Cell: | P/U = 388 | Molar Volume, cm3/mol: | Vm = 672.67 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 3.02 |
| R-factor: | - | MU, 1/cm: | µ = 146.614 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 48.487 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||