"It won't hurt you." She dropped the witchlight into his hand and the moment it left his fingers it stopped glowing. It looked like a rock, quarts maybe, but as Sam held it the stone appeared completely ordinary.

"That's... weird." Weird was one way to put it.

Clary picked it back up momentarily, the rock glowed again, then she put it back in Sam's palm. This was very fascinating but she felt like a bug going towards the light. Maybe she'd get buzzed if she kept it up.