teschenite

[ tesh-uh-nahyt ]

noun

1. a coarse-grained igneous rock consisting of plagioclase, olivine, and augite.

Word History and Origins

Origin of teschenite¹

1865–70; Teschen ( German name of Czech Tešín, town in the Czech Republic) + -ite ¹

Example Sentences

Many diabases, especially those of the teschenite sub-group, are filled with zeolites.

From Project Gutenberg