| Name: | TUSCANITE | ||
| Specification: | [2] | ||
| Formula: | [H3O,H2O,K]2Ca5[(Si,Al)10O22][SO4,PO4,CO3]2 | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | P 2(1)/a | ||
| Unit Cell Parameters: | a = 23.9846 | b = 5.0964 | c = 10.8504 | beta = 107.0000 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 1268.13 |
| Number of Atomic Position per full Unit Cell: | P/U = 100 | Molar Volume, cm3/mol: | Vm = 381.92 |
| Number of Reflexes used in Structure Determination: | NR = 3131 | X-ray density, g/cm3: | p = 2.87 |
| R-factor: | R = 0.0310 | MU, 1/cm: | µ = 171.114 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 59.699 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||