Name: | CHESTERMANITE | ||

Specification: | [1], "distorted" structure type - ludwigite | ||

Formula: | Mg_{2.25}Al_{0.16}Fe_{0.43}Ti_{0.02}Sb_{0.13}O_{2}BO_{3} | ||

Symmetry Class: | orthorhombic | ||

Space Group: | P bam | ||

Unit CellParameters: | a = 18.5250 | b = 12.2720 | c = 3.0218 | ||

Number of Formula Unit: | Z = 8 | Unit Cell Volume, Å: ^{3} | V = 686.97_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 72 | Molar Volume, cm: ^{3}/mol | V = 51.72_{m} |

Number of Reflexes used in: Structure Determination | NR = 2539 | X-ray density, g/cm^{3}: | p = 3.62 |

R-factor: | R = 0.0430 | MU, 1/cm: | µ = 230.340 |

Wave Length for Calculated: Powder Diffraction Patterns | Co=1.78892 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 63.550 |

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