[Rose's head cocks to the side curiously. She's never been identified as either of those things before! But it's a very fair question, and one that's often asked. Not very many people here have ever heard of Gems.]

No, I'm a Gem! Rose Quartz. To you I guess I'd be an alien. Oh, but I lived on Earth for millennium before I came here, I know all kinds of things about humans.

[And so much more since being one for years now. More than she'd ever imagined, despite living so closely alongside humans for so very long.]

And normally I'm human here, too. It's been so much fun! Oh, I've been to jail and I tried being drunk and I got married....

[She's having the full human experience, clearly.]