bro it is also essential for most destructive matter and it will be secured under a govt organisations in their precised labs and even it is produce by very few organisations in the world under the govt surveillance and they dont sell them ok ....... though they have uses in MRi thing and other but you have gone way far beyond the Rp....Possession of a Rice-puller itself is a illegal in india and you are asking a most essential and destructive thing which is also used in bombs ........most of other uses they are mostly use for that only and dont you think antimatter isnt less than a nuclear weapon

let me make it clear that nuclear energy and antimatter can be used in various fields but as of now they are considered as a world`s most destructive ingredients......just think if u just posses a non functional irridium with u and that can send u behind the bars for rest of ur life ,,,,how can you try to deal a anti matter..............plz take care yourself and be sure ab what your choosing to do