| Name: | SIGLOITE | ||
| Specification: | [1], "distorted" structure type - paravauxite, DF | ||
| Formula: | FeAl2[PO4]2(OH)2[H2O,(OH)]8 | ||
| Symmetry Class: | triclinic | ||
| Space Group: | P 1(-) | ||
| Unit Cell Parameters: | a = 5.1900 | b = 10.4190 | c = 7.0330 | alpha = 105.0000 | beta = 111.3100 | gamma = 70.8700 | ||
| Number of Formula Unit: | Z = 1 | Unit Cell Volume, Å3: | Vc = 330.49 |
| Number of Atomic Position per full Unit Cell: | P/U = 34 | Molar Volume, cm3/mol: | Vm = 199.07 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 2.33 |
| R-factor: | R = 0.0530 | MU, 1/cm: | µ = 139.268 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 59.787 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||