Card No: 1343       Created: 24/07/1991    Last edition: 13/01/2009

Name: ELPIDITE
Specification: [1]
Formula: Na2ZrSi6O15 · 3H2O
Symmetry Class: orthorhombic
Space Group: P bm2
Unit Cell
Parameters:
a = 7.4000 | b = 14.4000 | c = 7.0500
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 751.25
Number of Atomic Position
per full Unit Cell
:
P/U = 54 Molar Volume, cm3/mol: Vm = 226.25
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.65
R-factor: -MU, 1/cm: µ = 123.837
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 46.723
Theta-Interval for CPDP: T/I = 1-45