Might make for a fair knife or a spear if you lash it onto a pole. [He'd know a thing or two about sticking a crystal on a stick, wouldn't he...] I can't expect anything. Mostly I wanted to know what this is made of and how they sprouted in the desert. It might be some kind of byproduct of a chemical reaction.

[Sand and heat made glass, right? Something like that, if memory served correctly. Maybe something similar happened here.] You carry scanners around with you? [More curious than anything, because Bruce of course would carry scanners back home.]