Name: | FORSTERITE | ||

Specification: | [19], structure type - olivine, at 16.5 GPa | ||

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

Symmetry Class: | orthorhombic | ||

Space Group: | P bnm | ||

Unit CellParameters: | a = 4.5850 | b = 9.5530 | c = 5.6420 | ||

Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å: ^{3} | V = 247.12_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 28 | Molar Volume, cm: ^{3}/mol | V = 37.21_{m} |

Number of Reflexes used in: Structure Determination | - | X-ray density, g/cm^{3}: | p = 3.78 |

R-factor: | - | MU, 1/cm: | µ = 115.922 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 30.665 |

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