Break animation

I want to make a mob that break stone with a pickaxe like player . But there is only remove block in procedure . So is there a way to play break animation and then remove a block or is there a way to do what player do when breaked a block with lefr click down for mobs ?

I mean something like this 

 https://bugs.mojang.com/secure/attachment/33980/2013-06-28_21.27.55.png