Name: | FORSTERITE | ||

Specification: | [26], structure type - olivine | ||

Formula: | [Mg_{1.79}Fe_{0.21}]SiO_{4} | ||

Symmetry Class: | orthorhombic | ||

Space Group: | P nma | ||

Unit CellParameters: | a = 10.2391 | b = 6.0027 | c = 4.7673 | ||

Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å: ^{3} | V = 293.01_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 28 | Molar Volume, cm: ^{3}/mol | V = 44.12_{m} |

Number of Reflexes used in: Structure Determination | NR = 976 | X-ray density, g/cm^{3}: | p = 3.34 |

R-factor: | R = 0.0300 | MU, 1/cm: | µ = 175.530 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 52.568 |

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