Card No: 524       Created: 28/04/1999    Last edition: 13/01/2009

Name: BICCHULITE
Specification: [2], Ga-analogue
Formula: Ca8[Ga2SiO6]4(OH)8
Symmetry Class: cubic
Space Group: I 4(-)3m
Unit Cell
Parameters:
a = 8.9346
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 713.22
Number of Atomic Position
per full Unit Cell
:
P/U = 76 Molar Volume, cm3/mol: Vm = 429.60
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.52
R-factor: -MU, 1/cm: µ = 238.881
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 67.865
Theta-Interval for CPDP: T/I = 1-45