| Name: | PROTOAMPHIBOLE | ||
| Specification: | [1], structure type - proto-antophyllite | ||
| Formula: | Na0.03Li1.2Mg6.44Si7.84Al0.04O21.71F2.14(OH)0.15 | ||
| Symmetry Class: | orthorhombic | ||
| Space Group: | P nmn | ||
| Unit Cell Parameters: | a = 9.3300 | b = 17.8790 | c = 5.2880 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 882.10 |
| Number of Atomic Position per full Unit Cell: | P/U = 78 | Molar Volume, cm3/mol: | Vm = 265.66 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 2.92 |
| R-factor: | R = 0.0530 | MU, 1/cm: | µ = 141.507 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 48.443 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||