Name: | TEPHROITE | ||
Specification: | [4], structure type - olivine, syn | ||
Formula: | MnMgSiO4 | ||
Symmetry Class: | orthorhombic | ||
Space Group: | P nma | ||
Unit Cell Parameters: | a = 10.4510 | b = 6.1245 | c = 4.8076 | ||
Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 307.72 |
Number of Atomic Position per full Unit Cell: | P/U = 28 | Molar Volume, cm3/mol: | Vm = 46.34 |
Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 3.70 |
R-factor: | - | MU, 1/cm: | µ = 112.330 |
Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 30.385 |
Theta-Interval for CPDP: | T/I = 1-45 |