  In a recent letter, E. Nazarenko et al [Phys. Rev. Lett. 97, 056403 (2006)
and cond-mat/0606596] have investigated the low temperature phase of magnetite
by means of resonant X-ray scattering. The paper puts forward the quantitative
determination of an effective charge ordering (CO) of 0.24 electron among the
octahedral iron atoms in the insulating phase. The comment puts in evidence
that the analysis performed by Nazarenko et al is wrong and that some of their
conclusions are unsupported .
