| Name: | HUMBERSTONITE | ||
| Specification: | [1] | ||
| Formula: | K3Na7Mg2[SO4]6[NO3]2 · 6H2O | ||
| Symmetry Class: | trigonal | ||
| Space Group: | R 3(-) | ||
| Unit Cell Parameters: | a = 10.9055 | c = 24.3949 | ||
| Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å3: | Vc = 2512.59 |
| Number of Atomic Position per full Unit Cell: | P/U = 204 | Molar Volume, cm3/mol: | Vm = 504.47 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 2.25 |
| R-factor: | R = 0.0910 | MU, 1/cm: | µ = 94.091 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 41.816 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||