Name: | ONEILLITE | ||
Specification: | [1], structure type - eudialyte, DF | ||
Formula: | Na15[Ca5.6Mn0.4(REE,Y)0.3](Fe,Mn)2Zr3Si25O73[OH,H2,Cl]3 | ||
Symmetry Class: | trigonal | ||
Space Group: | R 3(-)m | ||
Unit Cell Parameters: | a = 14.2646 | c = 30.1860 | ||
Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å3: | Vc = 5319.31 |
Number of Atomic Position per full Unit Cell: | P/U = 594 | Molar Volume, cm3/mol: | Vm = 1068.01 |
Number of Reflexes used in Structure Determination: | NR = 1934 | X-ray density, g/cm3: | p = 2.73 |
R-factor: | R = 0.0310 | MU, 1/cm: | µ = 249.328 |
Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 91.195 |
Theta-Interval for CPDP: | T/I = 1-45 |