Name: | BIOTITE | ||

Specification: | [3], 2M(1) | ||

Formula: | K(Mg,Fe)_{3}{[AlSi_{3}]O_{10}}(OH)_{2} | ||

Symmetry Class: | monoclinic-beta | ||

Space Group: | C 2/c | ||

Unit CellParameters: | a = 5.3570 | b = 9.2450 | c = 20.2340 | beta = 94.9780 | ||

Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å: ^{3} | V = 998.32_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 80 | Molar Volume, cm: ^{3}/mol | V = 150.33_{m} |

Number of Reflexes used in: Structure Determination | - | X-ray density, g/cm^{3}: | p = 3.12 |

R-factor: | R = 0.0420 | MU, 1/cm: | µ = 190.295 |

Wave Length for Calculated: Powder Diffraction Patterns | Co=1.78892 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 60.981 |

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