Too bad Childermass is a few years too early to even correct her on the punched the bucket saying, so it slides by without much note beyond it being a very odd thing to say. Being an honorary gem does earn Peridot a puzzled squint, though.

"That's why you go into your gems? Because you die?" Or get destroyed. Whichever. "I've only seen it happen to Lapis Lazuli... Back at the Prince's manor."