Card No: 741       Created: 28/09/1992    Last edition: 13/01/2009

Name: CANCRINITE
Specification: [6], syn, DF, ZL
Formula: Na7Ca0.9[AlSiO4]6 · CO31.4 · 2.1H2O
Symmetry Class: hexagonal
Space Group: P 6(3)
Unit Cell
Parameters:
a = 12.6350 | c = 5.1150
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 707.17
Number of Atomic Position
per full Unit Cell
:
P/U = 58 Molar Volume, cm3/mol: Vm = 425.96
Number of Reflexes used in
Structure Determination
:

NR = 1520
X-ray density, g/cm3: p = 2.41
R-factor: R = 0.0400MU, 1/cm: µ = 74.205
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 30.847
Theta-Interval for CPDP: T/I = 1-45