Name: | COQUIMBITE | ||

Specification: | [5] | ||

Formula: | (Fe,Al)_{2}[SO_{4}]_{3} · 9H_{2}O | ||

Symmetry Class: | trigonal | ||

Space Group: | P 3(-)1c | ||

Unit CellParameters: | a = 10.9100 | c = 17.0625 | ||

Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å: ^{3} | V = 1758.83_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 188 | Molar Volume, cm: ^{3}/mol | V = 264.85_{m} |

Number of Reflexes used in: Structure Determination | - | X-ray density, g/cm^{3}: | p = 2.14 |

R-factor: | - | MU, 1/cm: | µ = 93.718 |

Wave Length for Calculated: Powder Diffraction Patterns | Co=1.78892 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 43.882 |

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