Card No: 9257       Created: 13/01/15    Last edition: 22/06/2015

Name: ELPIDITE
Specification: [5], at 90oC, DF
Formula: Na1.5Rb0.2ZrSi6O15 · 2.7H2O
Symmetry Class: orthorhombic
Space Group: P bcm
Unit Cell
Parameters:
a = 7.1280 | b = 14.6440 | c = 14.6420
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1528.37
Number of Atomic Position
per full Unit Cell
:
P/U = 124 Molar Volume, cm3/mol: Vm = 230.15
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.61
R-factor: -MU, 1/cm: µ = 128.891
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 49.313
Theta-Interval for CPDP: T/I = 1-45