[can she explain a little further...! ha! Pearl loves to explain things, even when people don't ask her to] Of course...

[she saws at the bag, and when she pulls pack, she has made the tiniest dent in it. ugh, hopeless] I come from, what you might consider, an alien race. My people are all gems, and I am a pearl. Which is, coincidentally, my name. [she smiles, putting a finger to the gem on her forehead] This gem here is actually my basic form, but the body you are seeing now is a projection generated by my gemstone.