Card No: 12329       Created: 16/05/25    Last edition: 05/04/2026

Name: PEZZOTTAITE
Specification: [4], DN
Formula: (Cs,Na)Al2Be2Li[SiO3]6
Symmetry Class: trigonal
Space Group: R 3(-)c
Unit Cell
Parameters:
a = 15.9687 | c = 27.8112
Number of Formula Unit: Z = 18Unit Cell Volume, Å3: Vc = 6141.71
Number of Atomic Position
per full Unit Cell
:
P/U = 558 Molar Volume, cm3/mol: Vm = 205.52
Number of Reflexes used in
Structure Determination
:

NR = 1730
X-ray density, g/cm3: p = 2.79
R-factor: R = 0.0599MU, 1/cm: µ = 145.822
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 52.207
Theta-Interval for CPDP: T/I = 1-45