[oh, he could probably explain. since he isn't being outright turned down, he points through the water at exactly the thing he's hoping to get.]

You remember that glass that refracts light into flecks, aah... Like in that necklace?

[Tek probably remembers; the necklace with the large, tear-drop shaped pendant that bends the light into dozens of little flecks of sparkling color. Robin said it was made when some kind of radioactive lightning struck the ground, or something.]

There's a big chunk of it down there. Must be from before the lake filled up.