Name: | PIEMONTITE | ||

Specification: | [3], structure type - epidote, Sr | ||

Formula: | Ca_{1.82}Sr_{0.06}Al_{1.86}Mn_{0.82}Fe_{0.35}Si_{3}O_{12}OH | ||

Symmetry Class: | monoclinic-beta | ||

Space Group: | P 2(1)/m | ||

Unit CellParameters: | a = 8.8790 | b = 5.6870 | c = 10.1870 | beta = 115.3500 | ||

Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å: ^{3} | V = 464.86_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 44 | Molar Volume, cm: ^{3}/mol | V = 140.00_{m} |

Number of Reflexes used in: Structure Determination | NR = 3651 | X-ray density, g/cm^{3}: | p = 3.52 |

R-factor: | R = 0.0500 | MU, 1/cm: | µ = 300.835 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 85.399 |

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