Name: | JOHNSENITE-(Ce) | ||
Specification: | [1], structure type - eudialyte, DF | ||
Formula: | Na12(Ce,REE,Sr)3Ca6Mn3Zr3W[Si25O73][CO3,(OH),Cl)]2 | ||
Symmetry Class: | trigonal | ||
Space Group: | R 3m | ||
Unit Cell Parameters: | a = 14.2675 | c = 30.0369 | ||
Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å3: | Vc = 5295.19 |
Number of Atomic Position per full Unit Cell: | P/U = 423 | Molar Volume, cm3/mol: | Vm = 1063.16 |
Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 3.22 |
R-factor: | R = 0.0400 | MU, 1/cm: | µ = 304.743 |
Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 94.756 |
Theta-Interval for CPDP: | T/I = 1-45 |