| Name: | FERRIPREHNITE | ||
| Specification: | [1] | ||
| Formula: | Ca2(Fe,Al)[AlSi3O10](OH)2 | ||
| Symmetry Class: | orthorhombic | ||
| Space Group: | P ma2 | ||
| Unit Cell Parameters: | a = 18.6149 | b = 5.4882 | c = 4.6735 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 477.46 |
| Number of Atomic Position per full Unit Cell: | P/U = 42 | Molar Volume, cm3/mol: | Vm = 143.79 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 3.01 |
| R-factor: | R = 0.0464 | MU, 1/cm: | µ = 246.318 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 81.850 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||