Name: | DAVINCIITE | ||

Specification: | [1], DF | ||

Formula: | Na_{12}(K,Sr)_{3}Ca_{6}Fe^{2+}_{3}Zr_{3}Si_{26}O_{73}(OH)Cl_{2} | ||

Symmetry Class: | trigonal | ||

Space Group: | R 3m | ||

Unit CellParameters: | a = 14.2956 | c = 30.0228 | ||

Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å: ^{3} | V = 5313.57_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 444 | Molar Volume, cm: ^{3}/mol | V = 1066.85_{m} |

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

R-factor: | - | MU, 1/cm: | µ = 246.274 |

Wave Length for Calculated: Powder Diffraction Patterns | Co=1.78892 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 86.397 |

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