Name: | DARAPIOSITE | ||

Specification: | [1], structure type - osumilite, Li, Zn | ||

Formula: | (Mn, Zr,Y)_{2}K(Na,K)_{2}(Li,Zn,Fe)_{3}Si_{12}O_{30} | ||

Symmetry Class: | hexagonal | ||

Space Group: | P 6/mcc | ||

Unit CellParameters: | a = 10.2620 | c = 14.3070 | ||

Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å: ^{3} | V = 1304.80_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 100 | Molar Volume, cm: ^{3}/mol | V = 392.96_{m} |

Number of Reflexes used in: Structure Determination | NR = 447 | X-ray density, g/cm^{3}: | p = 2.88 |

R-factor: | R = 0.0310 | MU, 1/cm: | µ = 162.413 |

Wave Length for Calculated: Powder Diffraction Patterns | Co=1.78892 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 56.439 |

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