Name: | ILVAITE | ||
Specification: | [23], "distorted" structure type - ilvaite, at 400oC | ||
Formula: | CaFe2+2Fe3+Si2O7O(OH) | ||
Symmetry Class: | monoclinic-beta | ||
Space Group: | P 2(1)/a | ||
Unit Cell Parameters: | a = 13.0150 | b = 8.8030 | c = 5.8420 | beta = 90.1600 | ||
Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 669.32 |
Number of Atomic Position per full Unit Cell: | P/U = 64 | Molar Volume, cm3/mol: | Vm = 100.79 |
Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 4.00 |
R-factor: | - | MU, 1/cm: | µ = 258.721 |
Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 64.742 |
Theta-Interval for CPDP: | T/I = 1-45 |