| Name: | ILVAITE | ||
| Specification: | [17], "distorted" structure type - ilvaite, Al, Mn, DN | ||
| Formula: | Ca(Fe2+,Mn)2(Fe3+,Al)Si2O9H | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | P 2(1)/a | ||
| Unit Cell Parameters: | a = 13.0120 | b = 8.8090 | c = 5.8490 | beta = 90.0200 | ||
| Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 670.43 |
| Number of Atomic Position per full Unit Cell: | P/U = 64 | Molar Volume, cm3/mol: | Vm = 100.96 |
| Number of Reflexes used in Structure Determination: | NR = 1739 | X-ray density, g/cm3: | p = 3.75 |
| R-factor: | R = 0.0178 | MU, 1/cm: | µ = 243.770 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 64.928 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||