  We explore the dynamical and thermal evolution of the ejected neutron star
crust in a Quark-Nova explosion. Typical explosion energies and ejected crust
masses result in relativistic ejection with Lorentz factors of a few to a few
hundred. The ejecta undergoes a rapid cooling and stretching resulting in break
up into many small pieces (clumps) when the ejecta is only ~ 100 km from the
explosion site. The number and size of the clumps depends on whether the
breakup occurs in the liquid or solid phase. For these two cases, the clump
number is ~ 10^3 (liquid phase) or ~ 10^7 (solid phase) and, at break up, are
spherical (size ~ 10^4 cm; liquid phase) or needle shaped (~ 10^4x10^2 cm;
solid phase).
