Name: | FORSTERITE | ||
Specification: | [63], structure type - olivine, analogue | ||
Formula: | Na2BeF4 | ||
Symmetry Class: | orthorhombic | ||
Space Group: | P bnm | ||
Unit Cell Parameters: | a = 4.8900 | b = 10.9000 | c = 6.5600 | ||
Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 349.65 |
Number of Atomic Position per full Unit Cell: | P/U = 28 | Molar Volume, cm3/mol: | Vm = 52.65 |
Number of Reflexes used in Structure Determination: | NR = 370 | X-ray density, g/cm3: | p = 2.49 |
R-factor: | R = 0.0600 | MU, 1/cm: | µ = 50.206 |
Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 20.184 |
Theta-Interval for CPDP: | T/I = 1-45 |