i would tell you how gems become a living gem but that is Classified information.
however we would love to have you down at the SU Theory-Zone wiki Theoryest like you are always welcome on the Theory zone to create,share and talk about theorys so feel free to come a visti us at anytime.
Could you please remove the 'characters' category from your profile? Since you are not a character on the Steven Universe show, the category violates the profile policy. You should instead put 'users' instead of having 'characters'.