Ge-oc'ro-nite, n.

n. [Ger. geocronit, fr. Gr. γέα, or γῆ, earth, and Κρόνος, Saturn, the alchemistic name of lead.] (Min.) A lead-gray or grayish-blue mineral with a metallic luster, consisting of sulphur, antimony, and lead, with a small proportion of arsenic.