geocronite


From The Collaborative International Dictionary of English v.0.48:

Geocronite \Ge*oc"ro*nite\, n. [Gr. ge`a, gh^, the earth +
   Kro`nos 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.
   [1913 Webster]
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