Name: | BREDIGITE | ||
Specification: | [2] | ||
Formula: | Ca7Mg[SiO4]4 | ||
Symmetry Class: | orthorhombic | ||
Space Group: | P nnm | ||
Unit Cell Parameters: | a = 18.3810 | b = 6.7494 | c = 10.9033 | ||
Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 1352.66 |
Number of Atomic Position per full Unit Cell: | P/U = 112 | Molar Volume, cm3/mol: | Vm = 203.69 |
Number of Reflexes used in Structure Determination: | NR = 2584 | X-ray density, g/cm3: | p = 3.37 |
R-factor: | R = 0.0231 | MU, 1/cm: | µ = 303.510 |
Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 89.941 |
Theta-Interval for CPDP: | T/I = 1-45 |