Card No: 5865       Created: 19/05/2004    Last edition: 23/05/2016

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 = 3Unit 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 = 0.0310MU, 1/cm: µ = 249.328
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 91.195
Theta-Interval for CPDP: T/I = 1-45