GEOCRONITE

Ge‐oc″ro‐nite (?), n. [[Gr. γέα, γη̑, the earth + Κρόνοσ Saturn, the alchemistic name of lead: cf. G. geokronit.]] (Min.) A lead-gray or grayish blue mineral with a metallic luster, consisting of sulphur, antimony, and lead, with a small proportion of arsenic.