Lead sulfide crystal

This article is about lead sulfide crystals. For other types of crystal, see Crystal (disambiguation).

Lead sulfide crystal is Transformer food from the Marvel portion of the Generation 1 continuity family.

Lead sulfide crystals are a Femaxian's best friend

Lead sulfide crystals are a Cybertronian food product, and are apparently delicious when combined with savory mercury sauce and flavorful iron filings as garnish for a tasty robot. They are, of course, poisonous and quite inedible for humans. The crystals found on Femax emit a greenish glow in the visible spectrum; this may indicate that they are formed from an unknown radioactive lead isotope.

Lead sulfide additive appears to act as an anti-allergy remedy for some Transformers. Lightspeed must take some with his fuel or break out with a rust rash and other troubling symptoms.