  We present the performances of a 330 g zinc molybdate (ZnMoO4) crystal
working as scintillating bolometer as a possible candidate for a next
generation experiment to search for neutrinoless double beta decay of 100Mo.
The energy resolution, evaluated at the 2615 keV gamma-line of 208Tl, is 6.3
keV FWHM. The internal radioactive contaminations of the ZnMoO4 were evaluated
as <6 microBq/kg (228Th) and 27\pm6 microBq/kg (226Ra). We also present the
results of the alpha vs beta/gamma discrimination, obtained through the
scintillation light as well as through the study of the shape of the thermal
signal alone.
