Name: | CHALCOPHYLLITE | ||

Specification: | [1] | ||

Formula: | Cu_{9}Al[AsO_{4}]_{2}[SO_{4}]_{1.5}(OH)_{12} · 18H_{2}O | ||

Symmetry Class: | trigonal | ||

Space Group: | R 3(-) | ||

Unit CellParameters: | a = 10.7560 | c = 28.6780 | ||

Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å: ^{3} | V = 2873.30_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 324 | Molar Volume, cm: ^{3}/mol | V = 576.90_{m} |

Number of Reflexes used in: Structure Determination | NR = 978 | X-ray density, g/cm^{3}: | p = 2.85 |

R-factor: | R = 0.0560 | MU, 1/cm: | µ = 101.940 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 35.742 |

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