Charolite....that's right.

[She nods, as if understanding something that she previously didn't. Maybe later she'd be able to bring him back and show him this Earth stuff. Pretty old looking, but neat all the same. However, Obsidian didn't like other Gems. Besides her, it seemed. For now she'd stay here, in case any other Gems showed up. The dream she had had fighting in it....]

You don't have a physical weapon. But you have telekinesis, right? That's what it looked like.