| Name: | APATITE | ||
| Specification: | [3], structure type - apatite, rare-earth bearing | ||
| Formula: | Ca10[PO4]6(OH,F,Cl)2 | ||
| Symmetry Class: | hexagonal | ||
| Space Group: | P 6(3)/m | ||
| Unit Cell Parameters: | a = 9.4052 | c = 6.9125 | ||
| Number of Formula Unit: | Z = 1 | Unit Cell Volume, Å3: | Vc = 529.54 |
| Number of Atomic Position per full Unit Cell: | P/U = 42 | Molar Volume, cm3/mol: | Vm = 318.96 |
| Number of Reflexes used in Structure Determination: | NR = 557 | X-ray density, g/cm3: | p = 3.34 |
| R-factor: | R = 0.0150 | MU, 1/cm: | µ = 360.352 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 107.764 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||