Name: | PRETULITE | ||

Specification: | [2], structure type - zircon | ||

Formula: | (Sc,Y,Yb,Zr)(P,Si)O_{4} | ||

Symmetry Class: | tetragonal | ||

Space Group: | *I 4(1)/amd | ||

Unit CellParameters: | a = 6.5870 | c = 5.8090 | ||

Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å: ^{3} | V = 252.04_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 24 | Molar Volume, cm: ^{3}/mol | V = 37.95_{m} |

Number of Reflexes used in: Structure Determination | NR = 84 | X-ray density, g/cm^{3}: | p = 3.80 |

R-factor: | R = 0.0389 | MU, 1/cm: | µ = 307.681 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 81.037 |

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