[Diamond holds still, looking pleased by the touch--they always did appreciate headpats from the others and Sensei, so this is fine too--giggling softly.]

Mm-hm! My entire body is made of diamond. We use a powder to make us look more-- Well. I suppose more like you. I've never met-- Mmm... [Shit what were they called again?] Humans! I never met humans before. I think they must be part of the life that was wiped out thousands and thousands of years ago where I'm from.

[But more important than this history lesson:] What are you called?