Okay, then Keltham wasn't quite as stupid as he was worried about, but yeah, they're getting to the point where having an alchemist on-call and Security-cleared seems worth it.
Back to spectroscopy. The 'diamonds' in Lady Avaricia's earrings are kinda tiny for this purpose, they need either a much larger version of this crystal or to find a different crystal... there should definitely be some cheap crystals that would work for this?