Card No: 4930       Created: 22/07/2009    Last edition: 29/01/2020

Name: GAUDEFROYITE
Specification: [5], at 59oC, DN
Formula: Ca8Mn3+6O6[BO3]6[CO3]2
Symmetry Class: hexagonal
Space Group: P 6(3)/m
Unit Cell
Parameters:
a = 10.6064 | c = 5.8876
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 573.59
Number of Atomic Position
per full Unit Cell
:
P/U = 60 Molar Volume, cm3/mol: Vm = 345.50
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.53
R-factor: -MU, 1/cm: µ = 438.946
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 124.412
Theta-Interval for CPDP: T/I = 1-45