Name: | ROCKBRIDGEITE | ||

Specification: | [1] | ||

Formula: | (Fe^{2+})(Fe^{3+})_{4}[PO_{4}]_{3}(OH)_{5} | ||

Symmetry Class: | orthorhombic | ||

Space Group: | C mcm | ||

Unit CellParameters: | a = 5.1720 | b = 13.7830 | c = 16.8030 | ||

Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å: ^{3} | V = 1197.81_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 112 | Molar Volume, cm: ^{3}/mol | V = 180.37_{m} |

Number of Reflexes used in: Structure Determination | - | X-ray density, g/cm^{3}: | p = 3.64 |

R-factor: | - | MU, 1/cm: | µ = 196.477 |

Wave Length for Calculated: Powder Diffraction Patterns | Co=1.78892 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 53.917 |

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