Name: | PYROSMALITE-(Fe) | ||

Specification: | [1] | ||

Formula: | Fe_{8}Si_{6}O_{15}(OH,Cl)_{10} | ||

Symmetry Class: | trigonal | ||

Space Group: | P 3(-)m1 | ||

Unit CellParameters: | a = 13.3165 | c = 7.0845 | ||

Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å: ^{3} | V = 1087.98_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 98 | Molar Volume, cm: ^{3}/mol | V = 327.66_{m} |

Number of Reflexes used in: Structure Determination | - | X-ray density, g/cm^{3}: | p = 3.28 |

R-factor: | - | MU, 1/cm: | µ = 173.307 |

Wave Length for Calculated: Powder Diffraction Patterns | Co=1.78892 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 52.851 |

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