I made somke new gems! these are not official refs, its just like some kind of concept art, anywho, here they are!
(1) Boulder Opal - She has some hippie vibes. She is really chill and such. Her work is to help quartzes recover from battles, since her aura is one of the most powerful.
(2) Hackmanite - Kind of a spy. Her color changing abilites make it easy for her to camouflage. Weapon unknown.
(3) Heinrichite - Basically a Perdiot. Collects data and all that stuff. The difference is that Heinrichites by nature are pretty energetic and have a really powerful fighting spirit. Her gloves (aside from making her stronger) shoots laser beams.
(4) Cacoxenite (don't know if ill keep her) - she works as a troyan horse for homworld. Not a real gem exactly, since shes like an android or something. She covers her face with a mask- and has some Amethysts and Citrines under her dress. She sings really weel, but she daNGEROUS