| Name: | FERROTSCHERMAKITE | ||
| Specification: | [1], DF | ||
| Formula: | Ca2(Mg,Fe)3(Al,Fe)2[Al2Si6]O22(OH,F)2 | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | C 2/m | ||
| Unit Cell Parameters: | a = 9.8179 | b = 18.1060 | c = 5.3310 | beta = 105.0000 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 915.36 |
| Number of Atomic Position per full Unit Cell: | P/U = 90 | Molar Volume, cm3/mol: | Vm = 275.68 |
| Number of Reflexes used in Structure Determination: | NR = 1207 | X-ray density, g/cm3: | p = 3.24 |
| R-factor: | R = 0.0450 | MU, 1/cm: | µ = 206.787 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 63.879 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||