| Name: | KUMMERITE | ||
| Specification: | [1] | ||
| Formula: | Mn2+Fe3+Al[PO4]2(OH)2 · 8H2O | ||
| Symmetry Class: | triclinic | ||
| Space Group: | P 1(-) | ||
| Unit Cell Parameters: | a = 5.3160 | b = 10.6200 | c = 7.1180 | alpha = 107.3000 | beta = 111.3000 | gamma = 72.2000 | ||
| Number of Formula Unit: | Z = 1 | Unit Cell Volume, Å3: | Vc = 348.45 |
| Number of Atomic Position per full Unit Cell: | P/U = 41 | Molar Volume, cm3/mol: | Vm = 209.89 |
| Number of Reflexes used in Structure Determination: | NR = 1271 | X-ray density, g/cm3: | p = 2.37 |
| R-factor: | R = 0.0317 | MU, 1/cm: | µ = 87.713 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 36.961 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||