| Name: | PROTO-FERRO-ANTHOPHYLLITE | ||
| Specification: | [1], structure type - proto-antophyllite | ||
| Formula: | [Fe0.8Mn0.2]2[Fe0.96Mg0.02]5[Si4O11]2(OH)2 | ||
| Symmetry Class: | orthorhombic | ||
| Space Group: | P nmn | ||
| Unit Cell Parameters: | a = 9.3880 | b = 18.3870 | c = 5.3470 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 922.98 |
| Number of Atomic Position per full Unit Cell: | P/U = 78 | Molar Volume, cm3/mol: | Vm = 277.97 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 3.58 |
| R-factor: | - | MU, 1/cm: | µ = 489.895 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 136.731 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||