Name: | TEPHROITE | ||

Specification: | [4], structure type - olivine, syn | ||

Formula: | MnMgSiO_{4} | ||

Symmetry Class: | orthorhombic | ||

Space Group: | P nma | ||

Unit CellParameters: | a = 10.4510 | b = 6.1245 | c = 4.8076 | ||

Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å: ^{3} | V = 307.72_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 28 | Molar Volume, cm: ^{3}/mol | V = 46.34_{m} |

Number of Reflexes used in: Structure Determination | - | X-ray density, g/cm^{3}: | p = 3.70 |

R-factor: | - | MU, 1/cm: | µ = 112.330 |

Wave Length for Calculated: Powder Diffraction Patterns | Co=1.78892 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 30.385 |

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