| Name: | TSCHERMAKITE | ||
| Specification: | [1], DF | ||
| Formula: | Ca2Mg3(Al,Fe)2[Al2Si6]O22(OH)2 | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | C 2/m | ||
| Unit Cell Parameters: | a = 9.8059 | b = 17.9721 | c = 5.3012 | beta = 105.1000 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 902.14 |
| Number of Atomic Position per full Unit Cell: | P/U = 90 | Molar Volume, cm3/mol: | Vm = 271.70 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 3.14 |
| R-factor: | - | MU, 1/cm: | µ = 215.094 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 68.544 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||