Found 2 items, similar to thorite.
English → English (WordNet) Definition: thorite thorite n : a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite
English → English (gcide) Definition: Thorite Thorite \Tho"rite\, n. [So called by Berzelius from the Scandinavian god Thor. See Thor.] (Min.) A mineral of a brown to black color, or, as in the variety orangite, orange-yellow. It is essentially a silicate of thorium. [1913 Webster]