Name: | FERMORITE | ||

Specification: | [1], DF | ||

Formula: | Ca_{8.41}Sr_{1.61}S_{2.9}As_{2.95}O_{24}F_{0.69}(OH)_{1.31} | ||

Symmetry Class: | monoclinic-gamma | ||

Space Group: | *P 2(1)/m | ||

Unit CellParameters: | a = 9.5935 | b = 9.5966 | c = 6.9754 | gamma = 119.9700 | ||

Number of Formula Unit: | Z = 1 | Unit Cell Volume, Å: ^{3} | V = 556.32_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 46 | Molar Volume, cm: ^{3}/mol | V = 335.09_{m} |

Number of Reflexes used in: Structure Determination | NR = 1373 | X-ray density, g/cm^{3}: | p = 3.57 |

R-factor: | R = 0.0300 | MU, 1/cm: | µ = 301.138 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 84.422 |

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