Geocronite
Pronunciation : Ge*oc"ro*nite
Part of Speech : n.
Etymology : [Gr. geokronit.] (Min.)
Definition : Defn: A lead-gray or grayish blue mineral with a metallic luster, consisting of sulphur, antimony, and lead, with a small proportion of arsenic.
Source : Webster's Unabridged Dictionary, 1913