Name: | TEPHROITE | ||

Specification: | [3], structure type - olivine, at 300^{o}K | ||

Formula: | Mn_{2}SiO_{4} | ||

Symmetry Class: | orthorhombic | ||

Space Group: | P nma | ||

Unit CellParameters: | a = 10.5966 | b = 6.2567 | c = 4.9023 | ||

Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å: ^{3} | V = 325.02_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 28 | Molar Volume, cm: ^{3}/mol | V = 48.94_{m} |

Number of Reflexes used in: Structure Determination | - | X-ray density, g/cm^{3}: | p = 4.13 |

R-factor: | - | MU, 1/cm: | µ = 689.547 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 167.127 |

Theta-Interval for CPDP: | T/I = 1-45 |